FMF Exhaust Factory 4.1 System

for ATVs: A complete ‘front to back’ system consisting of performance matched components specifically developed for each particular model Our chief engineers managed to shift the already light weight of this complete FMF exhaust Titanium system in such a way as to lower and centralize your machine’s center of gravity which improves handling and critical clearances, all without sacrificing unmatched durability or silencer volume.

 FMF Exhaust 4.1 Features:
• Completely new canister shape and size is lighter and more performance-optimizing
• New front and rear end cap designs developed to enhance fit, function and style
• Fixed, specific mounting brackets for slip-ons and full systems
• Excellent fit, finish and attention to detail

Same FMF Exhaust System use by our Factory Race Team.

The FMF Factory 4.1 exhaust systems consist of the new ‘FMF Factory Forward” FMF exhaust Powerbomb headers, custom matched mid-pipes, new oval to round anodized FMF Factory 4.1 canister and an FMF “Remove before Flight” washplug While these systems were built to perform with stock jetting specifications, for optimum response.
We also offer an FMF Power Up jet kit for those riders wanting the most from their investment for optimum jetting tuneability.

fmf spark arrester insert is an optional item.

FMF Is the leader in ATV Exhausts and motorcycle exhuasts.

FMF Factory 4.1 Slip-On muffler.

FMF Slip-on muffler Features:
• Completely new muffler canister shape and size is lighter and more performance-optimizing
• New front and rear muffler end cap designs developed to enhance fit, function and style
• Fixed, specific mounting brackets for slip-ons muffler and full systems
• Slip-on available in Stainless steel and titanium
• Excellent fit, finish and attention to detail

Titanium: Titanium Muffler and Titanium Mid-pipe
Stainless Steel: Titanium Muffler and Stainless Steel Mid-pipe
Anodized Titanium: Anodized Muffler and Titanium Mid-pipe
Anodized Stainless Steel: Anodized Muffler and Stainless Steel Mid-pipe.

Titanium and Stainless Steel NOT pictured.

FMF Exhaust Factory 4.1

	FMF Factory 4.1 Slip-On, TI Natural, Suzuki LT-R450 Code: T27-2049 Price: $327.99 Quantity in Basket: none
	FMF Factory 4.1 Slip-On, Blue, Suzuki LT-R450 Code: T27-2050 Price: $327.99 Quantity in Basket: none
	FMF Factory 4.1 Exhaust, TI Natural, Suzuki LTR-450 Code: T27-2053 Price: $532.99 Quantity in Basket: none
	FMF Factory 4.1 Exhaust, Blue, Suzuki LTR-450 Code: T27-2054 Price: $532.99 Quantity in Basket: none
	FMF Factory 4.1 Exhaust, TI Natural, Honda TRX450R `04-05 Code: T27-4014 Price: $492.00 Quantity in Basket: none
A complete front to back system consisting of FMF performance matched components specifically developed for each particular model Our chief engineers managed to shift the already light weight of this FMF complete Titanium system in such a way as to lower and centralize your machine's center of gravity which improves handling and critical clearances, all without sacrificing unmatched durability or silencer volume The FMF Factory 4 systems consist of the Factory Forward Powerbomb headers, custom matched mid-pipes, oval to round anodized Factory 4 canister and an FMF Remove before Flight washplug Limited to on-hand inventory - no returns
	FMF Factory 4.1 Exhaust, Blue, Honda TRX450R `04-05 Code: T27-4015 Price: $492.00 Quantity in Basket: none
A complete front to back system consisting of performance matched components specifically developed for each particular model Our chief engineers managed to shift the already light weight of this complete Titanium system in such a way as to lower and centralize your machine's center of gravity which improves handling and critical clearances, all without sacrificing unmatched durability or silencer volume The Factory 4 systems consist of the Factory Forward Powerbomb headers, custom matched mid-pipes, oval to round anodized Factory 4 canister and an FMF Remove before Flight washplug Limited to on-hand inventory - no returns
	FMF Factory 4.1 Slip-On, TI Natural, Honda TRX450R `04-07 Code: T27-4040 Price: $327.99 Quantity in Basket: none
	FMF Factory 4.1 Slip-On, Blue, Honda TRX450R `04-07 Code: T27-4041 Price: $327.99 Quantity in Basket: none
	FMF Factory 4.1 Exhaust, TI Natural, Honda TRX450R `06-08 Code: T27-4042 Price: $492.00 Quantity in Basket: none
A complete front to back system consisting of performance matched components specifically developed for each particular model Our chief engineers managed to shift the already light weight of this complete Titanium system in such a way as to lower and centralize your machine's center of gravity which improves handling and critical clearances, all without sacrificing unmatched durability or silencer volume The Factory 4 systems consist of the Factory Forward Powerbomb headers, custom matched mid-pipes, oval to round anodized Factory 4 canister and an FMF Remove before Flight washplug Limited to on-hand inventory - no returns
	FMF Factory 4.1 Exhaust, Blue, Honda TRX450R `06-08 Code: T27-4043 Price: $492.00 Quantity in Basket: none
A complete front to back system consisting of performance matched components specifically developed for each particular model Our chief engineers managed to shift the already light weight of this complete Titanium system in such a way as to lower and centralize your machine's center of gravity which improves handling and critical clearances, all without sacrificing unmatched durability or silencer volume The Factory 4 systems consist of the Factory Forward Powerbomb headers, custom matched mid-pipes, oval to round anodized Factory 4 canister and an FMF Remove before Flight washplug Limited to on-hand inventory - no returns
	"FMF Factory 4.1C Slip-On, C Fiber, Honda TRX450R `04-07 " Code: T27-4048 Price: $421.95 Quantity in Basket: none
	FMF Factory 4.1 Slip-On, TI Natural, Kawasaki KFX400 `03-06, Suzuki LTZ400 `03-08 Code: T27-4049 Price: $327.99 Quantity in Basket: none
	FMF Factory 4.1 Slip-On, Blue, Kawasaki KFX400 `03-06, Suzuki LTZ400 `03-08 Code: T27-4050 Price: $327.99 Quantity in Basket: none
	FMF Factory 4.1 Exhaust, TI Natural, Kawasaki KFX400 `03-06, Suzuki LT-Z400 `03-08 Code: T27-4051 Price: $492.00 Quantity in Basket: none
A complete front to back system consisting of performance matched components specifically developed for each particular model Our chief engineers managed to shift the already light weight of this complete Titanium system in such a way as to lower and centralize your machine's center of gravity which improves handling and critical clearances, all without sacrificing unmatched durability or silencer volume The Factory 4 systems consist of the Factory Forward Powerbomb headers, custom matched mid-pipes, oval to round anodized Factory 4 canister and an FMF Remove before Flight washplug Limited to on-hand inventory - no returns
	FMF Factory 4.1 Exhaust, Blue, Kawasaki KFX400 `03-06, Suzuki LT-Z400 `03-08 Code: T27-4052 Price: $492.00 Quantity in Basket: none
A complete front to back system consisting of performance matched components specifically developed for each particular model Our chief engineers managed to shift the already light weight of this complete Titanium system in such a way as to lower and centralize your machine's center of gravity which improves handling and critical clearances, all without sacrificing unmatched durability or silencer volume The Factory 4 systems consist of the Factory Forward Powerbomb headers, custom matched mid-pipes, oval to round anodized Factory 4 canister and an FMF Remove before Flight washplug Limited to on-hand inventory - no returns
	"FMF Factory 4.1C Slip-On, C Fiber, Suzuki LT-R450 `06-07 " Code: T27-4056 Price: $421.95 Quantity in Basket: none
	FMF Factory 4.1 Slip-On, TI Natural, Yamaha YFM350 Raptor `05-07 Code: T27-4057 Price: $327.99 Quantity in Basket: none
	FMF Factory 4.1 Slip-On, Blue, Yamaha YFM350 Raptor `05-08 Code: T27-4058 Price: $327.99 Quantity in Basket: none
	FMF Factory 4.1 Slip-On, TI Natural, Yamaha YFZ450 `04-08 Code: T27-4059 Price: $327.99 Quantity in Basket: none
	FMF Factory 4.1 Slip-On, Blue, Yamaha YFZ450 `04-08 Code: T27-4060 Price: $327.99 Quantity in Basket: none
	FMF Factory 4.1 Exhaust, TI Natural, Yamaha YFZ450 `04-08 Code: T27-4061 Price: $492.00 Quantity in Basket: none
A complete front to back system consisting of performance matched components specifically developed for each particular model Our chief engineers managed to shift the already light weight of this complete Titanium system in such a way as to lower and centralize your machine's center of gravity which improves handling and critical clearances, all without sacrificing unmatched durability or silencer volume The Factory 4 systems consist of the Factory Forward Powerbomb headers, custom matched mid-pipes, oval to round anodized Factory 4 canister and an FMF Remove before Flight washplug Limited to on-hand inventory - no returns
	FMF Factory 4.1 Exhaust, Blue, Yamaha YFZ450 `04-08 Code: T27-4062 Price: $492.00 Quantity in Basket: none
A complete front to back system consisting of performance matched components specifically developed for each particular model Our chief engineers managed to shift the already light weight of this complete Titanium system in such a way as to lower and centralize your machine's center of gravity which improves handling and critical clearances, all without sacrificing unmatched durability or silencer volume The Factory 4 systems consist of the Factory Forward Powerbomb headers, custom matched mid-pipes, oval to round anodized Factory 4 canister and an FMF Remove before Flight washplug Limited to on-hand inventory - no returns
	FMF Factory 4.1 Slip-On, TI Natural, Yamaha YFM700 Raptor Code: T27-4064 Price: $327.99 Quantity in Basket: none
	FMF Factory 4.1 Slip-On, Blue, Yamaha YFM700 Raptor Code: T27-4065 Price: $327.99 Quantity in Basket: none
	FMF Factory 4.1 Exhaust, TI Natural, Yamaha YFM700 Raptor Code: T27-4066 Price: $559.99 Quantity in Basket: none
A complete front to back system consisting of performance matched components specifically developed for each particular model Our chief engineers managed to shift the already light weight of this complete Titanium system in such a way as to lower and centralize your machine's center of gravity which improves handling and critical clearances, all without sacrificing unmatched durability or silencer volume The Factory 4 systems consist of the Factory Forward Powerbomb headers, custom matched mid-pipes, oval to round anodized Factory 4 canister and an FMF Remove before Flight washplug Limited to on-hand inventory - no returns
	FMF Factory 4.1 Exhaust, Blue, Yamaha YFM700 Raptor Code: T27-4067 Price: $559.90 Quantity in Basket: none
A complete front to back system consisting of performance matched components specifically developed for each particular model Our chief engineers managed to shift the already light weight of this complete Titanium system in such a way as to lower and centralize your machine's center of gravity which improves handling and critical clearances, all without sacrificing unmatched durability or silencer volume The Factory 4 systems consist of the Factory Forward Powerbomb headers, custom matched mid-pipes, oval to round anodized Factory 4 canister and an FMF Remove before Flight washplug Limited to on-hand inventory - no returns
	"FMF Factory 4.1C Slip-On, C Fiber, Yamaha YFZ450 `04-07 " Code: T27-4069 Price: $421.95 Quantity in Basket: none
	FMF Factory 4.1 Exhaust, TI Natural, Kawasaki KFX450R Code: T27-4090 Price: $492.00 Quantity in Basket: none
A complete front to back system consisting of performance matched components specifically developed for each particular model Our chief engineers managed to shift the already light weight of this complete Titanium system in such a way as to lower and centralize your machine's center of gravity which improves handling and critical clearances, all without sacrificing unmatched durability or silencer volume The Factory 4 systems consist of the Factory Forward Powerbomb headers, custom matched mid-pipes, oval to round anodized Factory 4 canister and an FMF Remove before Flight washplug Limited to on-hand inventory - no returns
	FMF Factory 4.1 Exhaust, Blue, Kawasaki KFX450R Code: T27-4091 Price: $492.00 Quantity in Basket: none
A complete front to back system consisting of performance matched components specifically developed for each particular model Our chief engineers managed to shift the already light weight of this complete Titanium system in such a way as to lower and centralize your machine's center of gravity which improves handling and critical clearances, all without sacrificing unmatched durability or silencer volume The Factory 4 systems consist of the Factory Forward Powerbomb headers, custom matched mid-pipes, oval to round anodized Factory 4 canister and an FMF Remove before Flight washplug Limited to on-hand inventory - no returns
	FMF Factory 4.1 Slip-On, TI Natural, Kawasaki KFX450r Code: T27-4092 Price: $336.95 Quantity in Basket: none
FMF Factory 4.1 Slip-on muffler with stainless mid pipe, fits the OEM header and Boost low-mid torqu, broader powerband with more rev.
	FMF Factory 4.1 Slip-On, Blue, Kawasaki KFX450r Code: T27-4093 Price: $336.95 Quantity in Basket: none
FMF Factory 4.1 Slip-on muffler with stainless mid pipe, fits the OEM header and Boost low-mid torqu, broader powerband with more rev.
	FMF Factory 4.1 Slip-On TI Natural Can-Am DS450 EFI Code: t27-4508 Price: $326.99 Quantity in Basket: none
FMF Factory 4.1 Slip-on muffler with stainless mid pipe, fits the OEM header and Boost low-mid torqu, broader powerband with more rev.
	FMF Factory 4.1 Slip-On Blue Can-Am DS450 EFI Code: t27-4509 Price: $326.99 Quantity in Basket: none
FMF Factory 4.1 Slip-on muffler with stainless mid pipe, fits the OEM header and Boost low-mid torqu, broader powerband with more rev.
	FMF Factory 4.1 Exhaust TI Natural Can-Am DS450 EFI Code: t27-4510 Price: $491.00 Quantity in Basket: none
A complete front to back system consisting of FMF performance matched components specifically developed for each particular model Our chief engineers managed to shift the already light weight of this FMF complete Titanium system in such a way as to lower and centralize your machine's center of gravity which improves handling and critical clearances, all without sacrificing unmatched durability or silencer volume The FMF Factory 4 systems consist of the Factory Forward Powerbomb headers, custom matched mid-pipes, oval to round anodized Factory 4 canister and an FMF Remove before Flight washplug Limited to on-hand inventory - no returns
	FMF Factory 4.1 Exhaust Blue Can-Am DS450 EFI Code: t27-4511 Price: $491.00 Quantity in Basket: none
A complete front to back system consisting of FMF performance matched components specifically developed for each particular model Our chief engineers managed to shift the already light weight of this FMF complete Titanium system in such a way as to lower and centralize your machine's center of gravity which improves handling and critical clearances, all without sacrificing unmatched durability or silencer volume The FMF Factory 4 systems consist of the Factory Forward Powerbomb headers, custom matched mid-pipes, oval to round anodized Factory 4 canister and an FMF Remove before Flight washplug Limited to on-hand inventory - no returns
	FMF Factory 4.1 Exhaust TI Natural Honda TRX700XX Code: t27-4516 Price: $557.46 Quantity in Basket: none
A complete front to back system consisting of FMF performance matched components specifically developed for each particular model Our chief engineers managed to shift the already light weight of this FMF complete Titanium system in such a way as to lower and centralize your machine's center of gravity which improves handling and critical clearances, all without sacrificing unmatched durability or silencer volume The FMF Factory 4 systems consist of the Factory Forward Powerbomb headers, custom matched mid-pipes, oval to round anodized Factory 4 canister and an FMF Remove before Flight washplug Limited to on-hand inventory - no returns
	FMF Factory 4.1 Exhaust Blue Honda TRX700XX Code: t27-4517 Price: $557.46 Quantity in Basket: none
A complete front to back system consisting of FMF performance matched components specifically developed for each particular model Our chief engineers managed to shift the already light weight of this FMF complete Titanium system in such a way as to lower and centralize your machine's center of gravity which improves handling and critical clearances, all without sacrificing unmatched durability or silencer volume The FMF Factory 4 systems consist of the Factory Forward Powerbomb headers, custom matched mid-pipes, oval to round anodized Factory 4 canister and an FMF Remove before Flight washplug Limited to on-hand inventory - no returns
	FMF Factory 4.1 Slip-On TI Natural Honda TRX700xx Code: t27-4518 Price: $326.99 Quantity in Basket: none
FMF Factory 4.1 Slip-on muffler with stainless mid pipe, fits the OEM header and Boost low-mid torqu, broader powerband with more rev.
	FMF Factory 4.1 Slip-On Blue Honda TRX700 Code: t274519 Price: $326.99 Quantity in Basket: none
FMF Factory 4.1 Slip-on muffler with stainless mid pipe, fits the OEM header and Boost low-mid torqu, broader powerband with more rev.
	FMF Factory 4.1 Slip-On TI Natural KTM 450/525xc Code: t27-4527 Price: $326.99 Quantity in Basket: none
FMF Factory 4.1 Slip-on muffler with stainless mid pipe, fits the OEM header and Boost low-mid torqu, broader powerband with more rev.
	FMF Factory 4.1 Slip-On Blue KTM 450/525XC Code: t27-4528 Price: $326.99 Quantity in Basket: none
FMF Factory 4.1 Slip-on muffler with stainless mid pipe, fits the OEM header and Boost low-mid torqu, broader powerband with more rev.
	FMF Factory 4.1 Exhaust TI Natural KTM 450/525XC Code: t27-4529 Price: $656.99 Quantity in Basket: none
A complete front to back system consisting of FMF performance matched components specifically developed for each particular model Our chief engineers managed to shift the already light weight of this FMF complete Titanium system in such a way as to lower and centralize your machine's center of gravity which improves handling and critical clearances, all without sacrificing unmatched durability or silencer volume The FMF Factory 4 systems consist of the Factory Forward Powerbomb headers, custom matched mid-pipes, oval to round anodized Factory 4 canister and an FMF Remove before Flight washplug Limited to on-hand inventory - no returns
	FMF Factory 4.1 Exhaust Blue KTM 450/525XC Code: t27-4530 Price: $656.99 Quantity in Basket: none
A complete front to back system consisting of FMF performance matched components specifically developed for each particular model Our chief engineers managed to shift the already light weight of this FMF complete Titanium system in such a way as to lower and centralize your machine's center of gravity which improves handling and critical clearances, all without sacrificing unmatched durability or silencer volume The FMF Factory 4 systems consist of the Factory Forward Powerbomb headers, custom matched mid-pipes, oval to round anodized Factory 4 canister and an FMF Remove before Flight washplug Limited to on-hand inventory - no returns
	FMF Factory 4.1 Slip-On TI Natural Polaris Predator 500 Code: t27-4532 Price: $326.99 Quantity in Basket: none
FMF Factory 4.1 Slip-on muffler with stainless mid pipe, fits the OEM header and Boost low-mid torqu, broader powerband with more rev.
	FMF Factory 4.1 Slip-On Blue Polaris Predator 500 Code: t27-4533 Price: $326.99 Quantity in Basket: none
FMF Factory 4.1 Slip-on muffler with stainless mid pipe, fits the OEM header and Boost low-mid torqu, broader powerband with more rev.
	FMF Factory 4.1 Exhaust TI Natural Polaris Predator 500 Code: t27-4534 Price: $524.99 Quantity in Basket: none
A complete front to back system consisting of FMF performance matched components specifically developed for each particular model Our chief engineers managed to shift the already light weight of this FMF complete Titanium system in such a way as to lower and centralize your machine's center of gravity which improves handling and critical clearances, all without sacrificing unmatched durability or silencer volume The FMF Factory 4 systems consist of the Factory Forward Powerbomb headers, custom matched mid-pipes, oval to round anodized Factory 4 canister and an FMF Remove before Flight washplug Limited to on-hand inventory - no returns
	FMF Factory 4.1 Exhaust Blue Polaris Predator 500 Code: t27-4535 Price: $524.99 Quantity in Basket: none
A complete front to back system consisting of FMF performance matched components specifically developed for each particular model Our chief engineers managed to shift the already light weight of this FMF complete Titanium system in such a way as to lower and centralize your machine's center of gravity which improves handling and critical clearances, all without sacrificing unmatched durability or silencer volume The FMF Factory 4 systems consist of the Factory Forward Powerbomb headers, custom matched mid-pipes, oval to round anodized Factory 4 canister and an FMF Remove before Flight washplug Limited to on-hand inventory - no returns
	FMF Factory 4.1 Slip-On TI Natural Polaris Outlaw 525 irs 07 Code: t27-4180 Price: $368.99 Quantity in Basket: none
FMF Factory 4.1 Slip-on muffler with stainless mid pipe, fits the OEM header and Boost low-mid torqu, broader powerband with more rev.
	FMF Factory 4.1 Slip-On Blue Polaris Outlaw 525irs 07 Code: t27-4181 Price: $368.99 Quantity in Basket: none
FMF Factory 4.1 Slip-on muffler with stainless mid pipe, fits the OEM header and Boost low-mid torqu, broader powerband with more rev.
	FMF Factory 4.1 Exhaust Blue Polaris Predator Outlaw 525IRS 2007 Code: t27-4182 Price: $492.00 Quantity in Basket: none
A complete front to back system consisting of FMF performance matched components specifically developed for each particular model Our chief engineers managed to shift the already light weight of this FMF complete Titanium system in such a way as to lower and centralize your machine's center of gravity which improves handling and critical clearances, all without sacrificing unmatched durability or silencer volume The FMF Factory 4 systems consist of the Factory Forward Powerbomb headers, custom matched mid-pipes, oval to round anodized Factory 4 canister and an FMF Remove before Flight washplug Limited to on-hand inventory - no returns
	FMF Factory 4.1 Slip-On TI Natural Polaris Outlaw 525s/450mxr Code: t27-4194 Price: $326.99 Quantity in Basket: none
FMF Factory 4.1 Slip-on muffler with stainless mid pipe, fits the OEM header and Boost low-mid torqu, broader powerband with more rev.
	FMF Factory 4.1 Slip-On Blue Polaris Outlaw 525S/450MXR Code: t27-4195 Price: $326.99 Quantity in Basket: none
FMF Factory 4.1 Slip-on muffler with stainless mid pipe, fits the OEM header and Boost low-mid torqu, broader powerband with more rev.
	FMF Factory 4.1 Exhaust TI Natural Polaris Predator Outlaw 525s/450MX Code: t27-4196 Price: $492.00 Quantity in Basket: none
A complete front to back system consisting of FMF performance matched components specifically developed for each particular model Our chief engineers managed to shift the already light weight of this FMF complete Titanium system in such a way as to lower and centralize your machine's center of gravity which improves handling and critical clearances, all without sacrificing unmatched durability or silencer volume The FMF Factory 4 systems consist of the Factory Forward Powerbomb headers, custom matched mid-pipes, oval to round anodized Factory 4 canister and an FMF Remove before Flight washplug Limited to on-hand inventory - no returns
	FMF Factory 4.1 Exhaust Blue Polaris Predator Outlaw 525s Code: t27-4197 Price: $492.00 Quantity in Basket: none
A complete front to back system consisting of FMF performance matched components specifically developed for each particular model Our chief engineers managed to shift the already light weight of this FMF complete Titanium system in such a way as to lower and centralize your machine's center of gravity which improves handling and critical clearances, all without sacrificing unmatched durability or silencer volume The FMF Factory 4 systems consist of the Factory Forward Powerbomb headers, custom matched mid-pipes, oval to round anodized Factory 4 canister and an FMF Remove before Flight washplug Limited to on-hand inventory - no returns
	FMF Spark arrester for Factory 4.1 Code: 79-0909 Price: $28.00 Quantity in Basket: none