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4-Stroke Exhaust Systems

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136 Results

FMF
Powercore 4 Slip-On Exhaust - 4-Stroke

$188.99 - $368.99
Sale
Up to 10%
5 out of 5 stars (180) reviews

FMF
Factory 4.1 RCT Slip-On Exhaust

$449.99 - $719.99
Sale
Up to 10%
5 out of 5 stars (126) reviews

FMF
Powercore 4 HEX Slip-On Exhaust

$359.99 - $494.99
Sale
Up to 10%
4.5 out of 5 stars (52) reviews

FMF
Q4 Hex Spark Arrestor Slip-On Exhaust

$309.77 - $512.99
Sale
Up to 31%
4.5 out of 5 stars (35) reviews

Yoshimura
RS-2 Comp Series Full System Exhaust

$449.00 - $799.00
Sale
Up to 14%
4.5 out of 5 stars (72) reviews
Video Available

FMF
Powercore 4 Complete Exhaust With Stainless Hi-Flo Header

$242.99 - $444.99
Sale
Up to 10%
5 out of 5 stars (50) reviews

Pro Circuit
T-4 Slip-On Exhaust

$359.99 - $531.99
Sale
Up to 10%
4.5 out of 5 stars (24) reviews

FMF
Q4 Spark Arrestor Slip-On Exhaust

$341.99 - $404.99
Sale
Up to 10%
4.5 out of 5 stars (42) reviews

Pro Circuit
T-6 Complete Exhaust

$399.99 - $1043.99
Sale
Up to 10%
5 out of 5 stars (12) reviews
New

Big Gun
Ballistic Series Slip-On Exhaust

$285.99 - $286.99
Sale
Up to 18%
5 out of 5 stars (1) review

FMF
Factory 4.1 RCT Complete Exhaust With Titanium Megabomb

$854.99 - $1191.99
Sale
Up to 10%
4.5 out of 5 stars (15) reviews

FMF
Factory 4.1 RCT Full Exhaust System

$697.98 - $1259.98
Sale
Up to 10%
4.5 out of 5 stars (7) reviews
New

Big Gun
Evo R Slip-On Exhaust

$302.99 - $558.99
Sale
Up to 18%
3.5 out of 5 stars (15) reviews

Yoshimura
RS-2 Comp Series Slip-On Exhaust

$389.00 - $509.00
5 out of 5 stars (20) reviews
Video Available

FMF
Megabomb Header - Stainless Steel

$309.77 - $381.99
Sale
Up to 27%
4.5 out of 5 stars (40) reviews
New

Big Gun
Evo Mini Complete Exhaust

$233.95 - $467.99
Sale
Up to 18%
4.5 out of 5 stars (43) reviews
New

Big Gun
Evo R Complete Exhaust

$467.99 - $626.99
Sale
Up to 18%
4.5 out of 5 stars (32) reviews

Pro Circuit
T-4 Complete Exhaust System

$285.99 - $891.99
Sale
Up to 10%
5 out of 5 stars (61) reviews

Big Gun
Eco System Slip-On Exhaust

$243.95 - $244.95
Sale
Up to 18%
4.5 out of 5 stars (48) reviews

FMF
Factory 4.1 Slip-On Exhaust

$449.99 - $494.99
Sale
Up to 10%
4.5 out of 5 stars (15) reviews

FMF
Powerbomb Header - Stainless Steel

$179.99 - $291.99
Sale
Up to 10%
4.5 out of 5 stars (84) reviews

Pro Circuit
T-6 Complete Exhaust - Dual

$876.77 - $1079.99
Clearance
Up to 27%
5 out of 5 stars (1) review

Fastway
Spark Arrestor End Cap

$99.95 - $269.95
4.5 out of 5 stars (21) reviews

FMF
Factory 4.1 RCT Spark Arrestor Insert

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

Yoshimura
RS-12 Full System Exhaust

$779.00 - $1319.00
4.5 out of 5 stars (9) reviews
Video Available

Pro Circuit
T-6 Slip-On Exhaust

$419.99 - $891.99
Sale
Up to 10%
4.5 out of 5 stars (18) reviews

FMF
Megabomb Header - Titanium

$404.99 - $472.99
Sale
Up to 10%
4.5 out of 5 stars (41) reviews

Pro Circuit
Ti-6 Complete Exhaust

$1015.77 - $1414.95
Sale
Up to 20%
5 out of 5 stars (11) reviews

Pro Circuit
Stainless Steel New End Cap

$37.99
Sale
Save 9%
5 out of 5 stars (2) reviews

Pro Circuit
TI-4 Slip-On Exhaust

$543.99 - $627.99
Sale
Up to 10%
5 out of 5 stars (2) reviews

Yoshimura
Spark Arrestor Insert

$30.77 - $40.95
Sale
Up to 25%
4 out of 5 stars (2) reviews

Pro Circuit
T-4 Head Pipe

$141.99 - $370.99
Sale
Up to 10%
4.5 out of 5 stars (13) reviews

Yoshimura
RS-4 Full System Exhaust

$588.05 - $799.00
Clearance
Up to 10%
4.5 out of 5 stars (36) reviews

Yoshimura
RS-4 Slip-On Exhaust

$419.00 - $669.00
Sale
Up to 10%
5 out of 5 stars (14) reviews
Video Available

Pro Circuit
Ti-6 Pro Complete Exhaust

$1142.99 - $1273.99
Sale
Up to 10%
4.5 out of 5 stars (9) reviews

FMF
Powercore 4 HEX Spark Arrestor Insert

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

Big Gun
Spark Arrestor Screen

$16.99
4 out of 5 stars (5) reviews

FMF
HEX Q4 Quiet Core Spark Arrestor Insert

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

Pro Circuit
Stainless Steel Modular End Cap

$31.99
Sale
Save 11%
5 out of 5 stars (2) reviews

Yoshimura
RS-3 Comp Series Full System Exhaust

$589.00 - $609.00
5 out of 5 stars (20) reviews
Video Available

FMF
Factory 4.1 RCT Complete Exhaust With Stainless Megabomb

$741.77 - $1056.99
Sale
Up to 31%
5 out of 5 stars (5) reviews

FMF
Powerbomb Header - Stainless Steel - Motocross

$224.99
Sale
Save 10%
4.5 out of 5 stars (19) reviews

FMF
Powercore 4 Complete Race Exhaust Stainless Hi-Flo Header

$251.99
Sale
Save 10%
5 out of 5 stars (67) reviews

Yoshimura
Spark Arrestor

$26.95
4 out of 5 stars (8) reviews

Big Gun
Vortex Quiet Core

$27.99 - $36.99
3 out of 5 stars (4) reviews

Pro Circuit
Ti-5 Carbon End Cap

$108.99
Sale
Save 10%
5 out of 5 stars (1) review

FMF
Factory 4.1 Titanium Slip-On RCT - Carbon Fiber

$562.99 - $719.99
Sale
Up to 10%
5 out of 5 stars (4) reviews

KTM PowerParts
FMF Megabomb Plus Header

$349.99 - $449.99
5 out of 5 stars (2) reviews

Pro Circuit
Stainless Steel End Cap Insert

$24.77 - $31.99
Sale
Up to 31%
3 out of 5 stars (2) reviews

Pro Circuit
Quiet Insert With Spark Arrestor

$68.99
Sale
Save 10%
4.5 out of 5 stars (7) reviews

Yoshimura
TEC Insert

$32.95
4 out of 5 stars (1) review

Yoshimura
RS-9D Slip-On Exhaust - Dual

$799.00 - $919.00
5 out of 5 stars (3) reviews
Video Available

Pro Circuit
Modular Quiet Tip

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

Pro Circuit
T-6 Full-System Exhaust

$418.99 - $444.99
Sale
Up to 10%
5 out of 5 stars (3) reviews

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. Check out some of the more popular brands in our line of 4-stroke exhausts by manufacturer:

...and many more!

4-Stroke Dirt Bike Exhausts at MotoSport

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 1-888-676-8853 and get the answers you need to make an informed buying decision.

MotoSport delivers all 4-stroke exhausts fast and orders more than $79 ship free.