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4-Stroke Exhaust Systems

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169 Results

Akrapovic
Racing Full System Exhaust With Spark Arrestor

$604.15 - 1188.95
Sale
Up to 5%
5 out of 5 stars (2) reviews

Akrapovic
Slip-On Line Exhaust

$649.95 - 827.95
5 out of 5 stars (1) review

Big Gun
Evo R Complete Exhaust

$512.99 - 569.99
Sale
Up to 10%
4.5 out of 5 stars (26) reviews

Bill's Pipes
RE 13 Series Slip-On Exhaust

$399.99
3 out of 5 stars (2) reviews

Bill's Pipes
SA-4 Series Head Pipe

$230.00
5 out of 5 stars (1) review

Dr. D
Complete Exhaust With Spark Arrestor

$274.95 - 637.95
4.5 out of 5 stars (23) reviews

Dr. D
Head Pipe

$177.77 - 252.99
Clearance
Up to 30%
5 out of 5 stars (4) reviews

Dr. D
NS-4 Complete Exhaust

$384.95 - 912.99
4 out of 5 stars (8) reviews

Dr. D
NS-4 Slip-On Exhaust

$277.77 - 824.99
Clearance
Up to 30%
4.5 out of 5 stars (9) reviews

Dr. D
NS-4 Spark Arrestor Kit

$16.95
4.5 out of 5 stars (2) reviews

Dr. D
Quiet Core Insert

$54.95
5 out of 5 stars (1) review

Dr. D
Replacement Spark Arrestor

$16.95
5 out of 5 stars (4) reviews

Fastway
Replacement Spark Arrestor Screen

$14.95 - 14.99
5 out of 5 stars (1) review

Fastway
Spark Arrestor End Cap

$99.99 - 259.95
4 out of 5 stars (11) reviews

Fastway
Ultra Silent Insert

$46.99
5 out of 5 stars (1) review

FMF
Factory 4.1 Dual RCT Complete Exhaust W/ Stainless Megabomb

$877.99 - 1169.99
Sale
Up to 10%
5 out of 5 stars (7) reviews

FMF
Factory 4.1 Dual RCT Complete Exhaust With Titanium Megabomb

$1124.99 - 1349.99
Sale
Up to 10%
5 out of 5 stars (7) reviews

FMF
Factory 4.1 Full System Exhaust - Mini

$359.99 - 404.99
Sale
Up to 10%

FMF
Factory 4.1 RCT Complete Exhaust With Stainless Megabomb

$629.99 - 787.99
Sale
Up to 10%
5 out of 5 stars (3) reviews

FMF
Factory 4.1 RCT Complete Exhaust With Titanium Megabomb

$629.99 - 1034.99
Sale
Up to 10%
4.5 out of 5 stars (11) reviews

FMF
Factory 4.1 RCT Full Exhaust System

$517.48 - 1079.98
Sale
Up to 10%
4.5 out of 5 stars (4) reviews

FMF
Factory 4.1 RCT Slip-On Exhaust

$337.49 - 607.49
Sale
Up to 10%
5 out of 5 stars (88) reviews

FMF
Factory 4.1 RCT Slip-On Exhaust - Dual

$629.99 - 899.99
Sale
Up to 10%
5 out of 5 stars (10) reviews

FMF
Factory 4.1 RCT Spark Arrestor Insert

$26.99
Sale
Save 10%
5 out of 5 stars (3) reviews

FMF
Factory 4.1 RCT Spark Arrestor Insert - Yamaha

$35.99
Sale
Save 10%
5 out of 5 stars (3) reviews

FMF
Factory 4.1 Slip On Exhaust - Mini

$224.99 - 269.99
Sale
Up to 10%
3 out of 5 stars (1) review

FMF
Factory 4.1 Slip-On Exhaust

$359.99 - 404.99
Sale
Up to 10%
4.5 out of 5 stars (14) reviews

FMF
Factory 4.1 Spark Arrestor Insert

$26.99
Sale
Save 10%
5 out of 5 stars (6) reviews

FMF
Factory 4.1 Titanium Slip-On RCT - Carbon Fiber

$494.99 - 607.49
Sale
Up to 10%
5 out of 5 stars (2) reviews

FMF
Factory 4.1 Titanium Slip-On RCT - Natural

$562.49
Sale
Save 10%
5 out of 5 stars (2) reviews

FMF
HEX Q4 Quiet Core Spark Arrestor Insert

$35.99
Sale
Save 10%
4 out of 5 stars (1) review

FMF
Megabomb Header - Stainless Steel

$247.49 - 427.49
Sale
Up to 10%
4.5 out of 5 stars (32) reviews

FMF
Megabomb Header - Titanium

$269.99 - 472.49
Sale
Up to 10%
4.5 out of 5 stars (37) reviews

FMF
Megabomb Header With Mid Pipe - Stainless Steel

$359.99 - 427.49
Clearance
Up to 10%
4 out of 5 stars (4) reviews

FMF
Megabomb Header With Mid Pipe - Titanium

$472.99 - 539.99
Clearance
Up to 10%
5 out of 5 stars (5) reviews

FMF
Powerbomb Header - Stainless Steel

$179.99 - 251.99
Sale
Up to 10%
4.5 out of 5 stars (76) reviews

FMF
Powerbomb Header - Stainless Steel - Motocross

$188.99
Sale
Save 10%
4.5 out of 5 stars (17) reviews

FMF
Powerbomb Header - Titanium

$269.99 - 539.99
Clearance
Up to 10%
4.5 out of 5 stars (2) reviews

FMF
Powerbomb Header With Mid Pipe

$314.99
Sale
Save 10%
5 out of 5 stars (4) reviews

FMF
Powercore 4 Complete Exhaust Stainless Hi-Flo Header

$233.99
Sale
Save 10%
5 out of 5 stars (12) reviews

FMF
Powercore 4 Complete Exhaust With Stainless Hi-Flo Header

$206.99 - 341.99
Sale
Up to 10%
5 out of 5 stars (39) reviews

FMF
Powercore 4 Complete Race Exhaust Stainless Hi-Flo Header

$206.99 - 233.99
Sale
Up to 10%
5 out of 5 stars (62) reviews

FMF
Powercore 4 HEX Slip-On Exhaust

$314.99 - 404.99
Sale
Up to 10%
5 out of 5 stars (38) reviews

FMF
Powercore 4 HEX Slip-On Exhaust With Side Panel

$305.99 - 341.99
Clearance
Up to 10%
5 out of 5 stars (2) reviews

FMF
Powercore 4 HEX Spark Arrestor Insert

$26.99
Sale
Save 10%
4 out of 5 stars (1) review

FMF
Powercore 4 Slip-On Exhaust - 4-Stroke

$130.49 - 323.99
Sale
Up to 10%
5 out of 5 stars (155) reviews

FMF
Powercore Slip-On Exhaust

$341.99 - 350.99
Sale
Up to 10%
4.5 out of 5 stars (14) reviews

FMF
Q4 Hex Exhaust With Megabomb Header and Side Panel

$607.99
Sale
Save 10%
5 out of 5 stars (1) review

FMF
Q4 Hex Spark Arrestor Slip-On Exhaust

$341.99 - 431.99
Sale
Up to 10%
4.5 out of 5 stars (25) reviews

FMF
Q4 Hex Spark Arrestor Slip-On Exhaust With Side Panel

$350.99 - 359.99
Sale
Up to 10%
5 out of 5 stars (1) review

Most Recent Dirt Bike 4-Stroke Exhausts Reviews

FMF Factory 4.1 RCT Full Exhaust System

FMF Factory 4.1 RCT Full Exhaust System

Alex879 - NORTH CAROLINA
5 out of 5 stars
FMF 2011 KX250F "this has been amazing... noticed a performance difference with the bike. Sounds even better than stock does and fit perfect. Highly recommend"
See all reviews for this product
Yoshimura RS-3 Comp Series Full System Exhaust

Yoshimura RS-3 Comp Series Full System Exhaust

Nate - Westfield, MA
5 out of 5 stars
Sounds awesome! "This exhaust sounds great looks good and was simple to install. I need a jet kit and my carbs cleaned but it runs like a beast now. Thanks"
See all reviews for this product