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4-Stroke Dirt Bike Exhaust

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142 Results

New
$24 Fast cash

FMF
Factory 4.1 RCT Slip-On Exhaust

$494.99 - $809.99
Sale
Up to 10%
5 out of 5 stars (143) reviews
$10 Fast cash

FMF
Powercore 4 Slip-On Exhaust - 4-Stroke

$188.99 - $359.99
Sale
Up to 10%
5 out of 5 stars (188) reviews
New
$15 Fast cash

FMF
Powercore 4 HEX Slip-On Exhaust

$359.99 - $494.99
Sale
Up to 10%
4.5 out of 5 stars (65) reviews
New
$37 Fast cash

FMF
Factory 4.1 RCT Complete Exhaust With Titanium Megabomb

$989.99 - $1237.99
Sale
Up to 10%
4.5 out of 5 stars (19) reviews
$8 Fast cash

FMF
Powercore 4 Complete Exhaust With Stainless Hi-Flo Header

$242.99 - $269.99
Sale
Up to 10%
5 out of 5 stars (61) reviews
New
$51 Fast cash

Yoshimura
RS-12 Full System Exhaust

$849.00 - $1699.00
4.5 out of 5 stars (17) reviews
New
$24 Fast cash

FMF
Factory 4.1 Titanium Slip-On RCT - Carbon Fiber

$674.99 - $809.99
Sale
Up to 10%
4.5 out of 5 stars (5) reviews
$32 Fast cash

FMF
Factory 4.1 RCT Complete Exhaust With Stainless Megabomb

$876.99 - $1056.99
Sale
Up to 10%
5 out of 5 stars (7) reviews
$9 Fast cash

FMF
Powerbomb Header - Stainless Steel

$179.99 - $291.99
Sale
Up to 10%
4.5 out of 5 stars (87) reviews
New
$15 Fast cash

FMF
Q4 Hex Spark Arrestor Slip-On Exhaust

$350.99 - $512.99
Sale
Up to 10%
4.5 out of 5 stars (38) reviews
$10 Fast cash

Fastway
Spark Arrestor End Cap

$133.30 - $359.95
4 out of 5 stars (29) reviews
$16 Fast cash

FMF
Megabomb Header - Titanium

$426.99 - $524.99
Sale
Up to 10%
4.5 out of 5 stars (42) reviews
$28 Fast cash

Yoshimura
RS-2 Comp Series Full System Exhaust

$529.00 - $939.00
4.5 out of 5 stars (79) reviews
$14 Fast cash

BBR
D3 Exhaust System

$406.95 - $461.95
New
$9 Fast cash

FMF
Factory 4.1 Slip-On Exhaust - Mini

$269.99 - $314.99
Sale
Up to 10%
4.5 out of 5 stars (5) reviews
$36 Fast cash

FMF
Factory 4.1 RCT Full Exhaust System

$764.98 - $1308.98
Sale
Up to 10%
5 out of 5 stars (8) reviews
$12 Fast cash
$36 Fast cash

Pro Circuit
T-6 Complete Exhaust

$463.99 - $1211.99
Sale
Up to 5%
4.5 out of 5 stars (15) reviews
$17 Fast cash

Big Gun
Evo Mini Complete Exhaust

$269.99 - $564.74
Sale
Up to 10%
4.5 out of 5 stars (50) reviews
$9 Fast cash

Big Gun
Eco System Slip-On Exhaust

$275.84 - $294.98
Sale
Up to 10%
4.5 out of 5 stars (48) reviews
$13 Fast cash

FMF
Megabomb Header - Stainless Steel

$247.99 - $424.99
Sale
Up to 10%
4.5 out of 5 stars (44) reviews
$22 Fast cash

Pro Circuit
T-6 Slip-On Exhaust

$486.99 - $759.99
Sale
Up to 5%
4.5 out of 5 stars (20) reviews
$8 Fast cash

FMF
Powercore 4 Complete Race Exhaust Stainless Hi-Flo Header

$251.99
Sale
Save 10%
5 out of 5 stars (68) reviews
$10 Fast cash

KTM PowerParts
FMF Powercore 4 Silencer

$399.99
5 out of 5 stars (4) reviews
$12 Fast cash

FMF
Factory 4.1 Full System Exhaust - Mini

$413.99 - $458.99
Sale
Up to 10%
5 out of 5 stars (1) review
$14 Fast cash
$12 Fast cash
$22 Fast cash

KTM PowerParts
FMF Factory 4.1 RCT Muffler

$674.99 - $854.99
5 out of 5 stars (2) reviews
New
$33 Fast cash

Yoshimura
RS-12 Slip-On Exhaust

$649.00 - $1099.00
3 out of 5 stars (1) review
$19 Fast cash

Yoshimura
RS-9T Complete Exhaust With Stainless Header

$629.00 - $659.00
5 out of 5 stars (4) reviews
$17 Fast cash
$29 Fast cash

Yoshimura
RS-9T Slip-On Exhaust - Dual

$989.00
5 out of 5 stars (6) reviews
$34 Fast cash
$16 Fast cash

Yoshimura
RS-2 Slip-On Exhaust

$549.00
5 out of 5 stars (1) review
$25 Fast cash

Yoshimura
RS-9D Slip-On Exhaust - Dual

$829.00
5 out of 5 stars (3) reviews
$14 Fast cash

Yoshimura
TRS Comp Series Complete Exhaust With Stainless Header

$439.00 - $489.00
5 out of 5 stars (5) reviews
$23 Fast cash

Yoshimura
RS-4 Slip-On Exhaust

$419.00 - $789.00
5 out of 5 stars (17) reviews
$1 Fast cash

Yoshimura
Spark Arrestor

$30.95
4 out of 5 stars (8) reviews
$1 Fast cash

Yoshimura
Spark Arrestor Insert

$33.95 - $47.95
4 out of 5 stars (2) reviews
$1 Fast cash

Yoshimura
Quiet Insert - RS-4

$34.77 - $40.95
3 out of 5 stars (2) reviews
$1 Fast cash

Yoshimura
Quiet Insert - RS-2

$40.95
5 out of 5 stars (2) reviews
$38 Fast cash
$40 Fast cash

Yoshimura
RS-4 Titanium Full System Exhaust

$499.00 - $1449.00
5 out of 5 stars (10) reviews
$15 Fast cash

Yoshimura
RS-3 Comp Series Slip-On Exhaust

$509.00
4.5 out of 5 stars (14) reviews
$16 Fast cash

Yoshimura
RS-4 Comp Series Slip-On Exhaust With Carbon Fiber End Cap

$469.00 - $529.00
5 out of 5 stars (20) reviews
$18 Fast cash

Yoshimura
RS-2 Comp Series Slip-On Exhaust

$449.00 - $649.00
5 out of 5 stars (22) reviews
$28 Fast cash

Yoshimura
RS-4 Full System Exhaust

$699.00 - $939.00
4.5 out of 5 stars (38) reviews
$26 Fast cash

Yoshimura
RS-4 Comp Series Complete Exhaust With Stainless Header

$599.00 - $939.00
4.5 out of 5 stars (5) reviews
$18 Fast cash

Yoshimura
RS-3 Comp Series Full System Exhaust

$599.00
5 out of 5 stars (21) reviews
New
$46 Fast cash

Pro Circuit
Ti-6 Pro BC Complete Exhaust

$1402.99 - $1554.99
Sale
Up to 5%
$27 Fast cash

Pro Circuit
T-6 Slip-on Exhaust - Dual

$993.99
Sale
Save 5%
1 out of 5 stars (1) review
$14 Fast cash

Pro Circuit
T-6 Full-System Exhaust

$516.99 - $521.99
Sale
Up to 5%
5 out of 5 stars (4) reviews
$28 Fast cash

Pro Circuit
T-6 Complete "JCR" Exhaust

$1034.99
Sale
Save 5%
3 out of 5 stars (2) reviews
$52 Fast cash

Pro Circuit
Ti-6 Pro Complete Exhaust - Dual

$1568.99 - $1923.99
Sale
Up to 5%
$52 Fast cash

Pro Circuit
Ti-6 Complete Exhaust - Dual

$1670.99 - $1923.99
Sale
Up to 5%
5 out of 5 stars (3) reviews
$34 Fast cash

Pro Circuit
T-6 Complete Exhaust - Dual

$1187.99 - $1253.99
Sale
Up to 5%
5 out of 5 stars (1) review
$10 Fast cash

Pro Circuit
Ti-4R / GP Midpipe

$319.99 - $351.99
Sale
Up to 5%
$11 Fast cash

Pro Circuit
Ti-4R / GP Headpipe

$404.99
Sale
Save 5%
5 out of 5 stars (1) review

4 Stroke Exhaust

The 4-stroke dirt bike remains the most popular and widely used by enthusiasts on the track or trails as pro racing fully embraced the 4-stroke engine years ago. As such, owners of a new 4-stroke dirt bike, regardless of manufacturer, often make their first investment in the exhaust system.

MotoSport carries the industry's best aftermarket 4-stroke dirt bike exhaust in your choice of a complete system, slip-on, spark arrestor or just the mid pipe or head pipe if necessary. We also carry 4-stroke end caps and exhaust inserts. All of the brands we carry have a history in Motocross and making 4 stroke dirt bikes perform better and ride faster.

Name your bike's make, model and year and we carry an aftermarket 4-stroke exhaust for your ride. So, if you want more power, performance and that deep throaty sound trust MotoSport to stock the 4-stroke dirt bike exhaust system to take your bike to the next level. If you have questions or want more information, give one of our gearheads a call at 503-783-5645 and get the answers you need to make an informed buying decision.

Watch to learn more about the 4 stroke exhaust and tips for upgrading: