4-Stroke Exhaust

4-Stroke Exhaust Systems for Power and Sound

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FMF - Factory 4.1 RCT Aluminum Slip-On Exhaust w/Stainless Mid Pipe (Kawasaki)FMF - Factory 4.1 RCT Aluminum Slip-On Exhaust w/Stainless Mid Pipe (Kawasaki) - alternate view
Winter Deal
FMF - Factory 4.1 RCT Aluminum Slip-On Exhaust w/Stainless Mid Pipe (Kawasaki)
Price range: $368.99 - $607.49
Up to 10% OFF
FMF - KTM Megabomb HeadersFMF - KTM Megabomb Headers - alternate view
Winter Deal
FMF - KTM Megabomb Headers
Price range: $337.49 - $427.49
Up to 10% OFF
FMF - KTM Factory 4.1 RCT SilencerFMF - KTM Factory 4.1 RCT Silencer - alternate view
Winter Deal
FMF - KTM Factory 4.1 RCT Silencer
Price range: $674.99 - $769.49
Up to 10% OFF
BBR - D3 Full Exhaust System (Honda)BBR - D3 Full Exhaust System (Honda) - alternate view
Winter Deal
BBR - D3 Full Exhaust System (Honda)
Price range: $386.17 - $417.95
Up to 5% OFF
FMF - Factory 4.1 RCT Complete System (Honda)FMF - Factory 4.1 RCT Complete System (Honda) - alternate view
Winter Deal
FMF - Factory 4.1 RCT Complete System (Honda)
Price range: $944.99 - $1,349.99
Up to 10% OFF
FMF - Factory 4.1 RCT Titanium Slip-On Exhaust w/Mid Pipe (Kawasaki)FMF - Factory 4.1 RCT Titanium Slip-On Exhaust w/Mid Pipe (Kawasaki) - alternate view
Winter Deal
FMF - Factory 4.1 RCT Titanium Slip-On Exhaust w/Mid Pipe (Kawasaki)
Price range: $314.99 - $809.99
Up to 10% OFF
Pro Circuit - T-6 Stainless Slip-On Exhaust (Kawasaki)Pro Circuit - T-6 Stainless Slip-On Exhaust (Kawasaki) - alternate view
Winter Deal
Pro Circuit - T-6 Stainless Slip-On Exhaust (Kawasaki)
Price range: $419.35 - $717.25
Up to 10% OFF
FMF - Factory 4.1 RCT Complete System (Yamaha)FMF - Factory 4.1 RCT Complete System (Yamaha) - alternate view
Winter Deal
FMF - Factory 4.1 RCT Complete System (Yamaha)
Price range: $967.49 - $1,237.49
Up to 10% OFF
FMF - Factory 4.1 RCT Titanium Slip-On Exhaust (Yamaha)FMF - Factory 4.1 RCT Titanium Slip-On Exhaust (Yamaha) - alternate view
Winter Deal
FMF - Factory 4.1 RCT Titanium Slip-On Exhaust (Yamaha)
Price range: $719.99 - $764.99
Up to 10% OFF
Yoshimura - RS-12 Slip-On Exhaust (Honda)Yoshimura - RS-12 Slip-On Exhaust (Honda) - alternate view
Pro Circuit - T-6 Stainless Slip-On Exhaust (Honda)
Winter Deal
Pro Circuit - T-6 Stainless Slip-On Exhaust (Honda)
Price range: $531.86 - $717.25
Up to 10% OFF
Pro Circuit - T-6 Stainless Exhaust System (Honda)Pro Circuit - T-6 Stainless Exhaust System (Honda) - alternate view
Winter Deal
Pro Circuit - T-6 Stainless Exhaust System (Honda)
Price range: $365.35 - $1,079.95
Up to 10% OFF
FMF - Powercore 4 Hex Slip-On Muffler (Yamaha)FMF - Powercore 4 Hex Slip-On Muffler (Yamaha) - alternate view
Winter Deal
FMF - Powercore 4 Hex Slip-On Muffler (Yamaha)
. Final price: $359.99 . Original price: $399.99
10% OFF
Yoshimura - RS-12 Signature Full System (Honda)Yoshimura - RS-12 Signature Full System (Honda) - alternate view
BBR - D3 Full Exhaust System (Suzuki)BBR - D3 Full Exhaust System (Suzuki) - alternate view
BBR - D3 Full Exhaust System (Suzuki)
. Final price: $399.95 . Original price:
SLP - Performance Slip-on RZR 800
SLP - Performance Slip-on RZR 800
. Final price: $419.95 . Original price:
SLP - Super Silent Muffler
SLP - Super Silent Muffler
. Final price: $479.95 . Original price: $379.95
Yoshimura - RS-4 Slip-On (Husqvarna)Yoshimura - RS-4 Slip-On (Husqvarna) - alternate view
Yoshimura - RS-12 Slip-On Exhaust (Husqvarna)
Yoshimura - RS-12 Slip-On Exhaust (Husqvarna)
. Final price: $769 . Original price: $769
Yoshimura - RS-2 Slip-On Exhaust (Honda)Yoshimura - RS-2 Slip-On Exhaust (Honda) - alternate view
Yoshimura - RS-2 Slip-On Exhaust (Suzuki)Yoshimura - RS-2 Slip-On Exhaust (Suzuki) - alternate view
Yoshimura - RS-2 Slip-On Exhaust (Suzuki)
. Final price: $599 . Original price: $599
FMF - Factory 4.1 RCT Complete System (Gas Gas)FMF - Factory 4.1 RCT Complete System (Gas Gas) - alternate view
Winter Deal
FMF - Factory 4.1 RCT Complete System (Gas Gas)
Price range: $944.99 - $1,196.99
Up to 10% OFF
Husqvarna - FMF Powercore 4 SilencerHusqvarna - FMF Powercore 4 Silencer - alternate view
Husqvarna - FMF Powercore 4 Silencer
. Final price: $399.99 . Original price:
Yoshimura - RS-2 Full Exhaust System (Kawasaki)Yoshimura - RS-2 Full Exhaust System (Kawasaki) - alternate view
Yoshimura - RS-2 Full Exhaust System (Kawasaki)
. Final price: $539 . Original price: $539
Yoshimura - RS-2 Full Exhaust System (Suzuki)Yoshimura - RS-2 Full Exhaust System (Suzuki) - alternate view
Yoshimura - RS-2 Full Exhaust System (Honda)Yoshimura - RS-2 Full Exhaust System (Honda) - alternate view
Pro Circuit - T-6 Stainless Slip-On Exhaust (Husqvarna)Pro Circuit - T-6 Stainless Slip-On Exhaust (Husqvarna) - alternate view
Winter Deal
Pro Circuit - T-6 Stainless Slip-On Exhaust (Husqvarna)
Price range: $531.85 - $542.65
Up to 10% OFF
Yoshimura - RS-12 Slip-On Exhaust (Gas Gas)
Yoshimura - RS-12 Slip-On Exhaust (Gas Gas)
. Final price: $769 . Original price: $769
Pro Circuit - T-6 Stainless Exhaust System (Gas Gas)Pro Circuit - T-6 Stainless Exhaust System (Gas Gas) - alternate view
Winter Deal
Pro Circuit - T-6 Stainless Exhaust System (Gas Gas)
Price range: $891.85 - $902.65
Up to 10% OFF
FMF - Megabomb Stainless Header (Gas Gas)FMF - Megabomb Stainless Header (Gas Gas) - alternate view
Winter Deal
FMF - Megabomb Stainless Header (Gas Gas)
Price range: $337.49 - $472.49
Up to 10% OFF
Pro Circuit - T-6 Stainless Exhaust System (Kawasaki)
Pro Circuit - T-6 Stainless Exhaust System (Kawasaki)
. Final price: $465.99 . Original price:
Yoshimura - RS-12 Full System (Gas-Gas)Yoshimura - RS-12 Full System (Gas-Gas) - alternate view
Yoshimura - RS-12 Full System (Gas-Gas)
Price range: $1,099 - $1,229
Pro Circuit -T-4 Exhaust System (Kawasaki Mini Bikes)
Winter Deal
Pro Circuit -T-4 Exhaust System (Kawasaki Mini Bikes)
. Final price: $286.15 . Original price: $317.95
10% OFF
Pro Circuit - T-6 Stainless Slip-On Exhaust (Gas Gas)
Winter Deal
Pro Circuit - T-6 Stainless Slip-On Exhaust (Gas Gas)
. Final price: $531.86 . Original price: $590.95
10% OFF
FMF - Mini Powercore 4 Muffler KLX/DRZ 110's
Winter Deal
FMF - Mini Powercore 4 Muffler KLX/DRZ 110's
. Final price: $269.99 . Original price: $299.99
10% OFF
BBR - D3 Full Exhaust System (Yamaha)BBR - D3 Full Exhaust System (Yamaha) - alternate view
Winter Deal
BBR - D3 Full Exhaust System (Yamaha)
Price range: $386.60 - $417.95
Up to 5% OFF
Gas Gas - FMF Powercore 4 SilencerGas Gas - FMF Powercore 4 Silencer - alternate view
Gas Gas - FMF Powercore 4 Silencer
. Final price: $399.99 . Original price:
Pro Circuit - Ti-6 Pro Titanium Exhaust System (Suzuki)Pro Circuit - Ti-6 Pro Titanium Exhaust System (Suzuki) - alternate view
Winter Deal
Pro Circuit - Ti-6 Pro Titanium Exhaust System (Suzuki)
. Final price: $1,142.95 . Original price: $1,269.95
10% OFF
FMF - Factory 4.1 RCT Titanium Anodized Slip-On w/ Carbon Cap (Beta)
Winter Deal
FMF - Factory 4.1 RCT Titanium Anodized Slip-On w/ Carbon Cap (Beta)
. Final price: $674.99 . Original price: $749.99
10% OFF
BBR - D3 Full Exhaust System (Kawasaki)BBR - D3 Full Exhaust System (Kawasaki) - alternate view
Winter Deal
BBR - D3 Full Exhaust System (Kawasaki)
Price range: $417.95 - $438.85
Up to 5% OFF
Pro Circuit - Ti-6 Titanium Exhaust System (Gas Gas)Pro Circuit - Ti-6 Titanium Exhaust System (Gas Gas) - alternate view
Winter Deal
Pro Circuit - Ti-6 Titanium Exhaust System (Gas Gas)
. Final price: $1,142.95 . Original price: $1,269.95
10% OFF
FMF - Megabomb Titanium Header (Kawasaki)FMF - Megabomb Titanium Header (Kawasaki) - alternate view
Winter Deal
FMF - Megabomb Titanium Header (Kawasaki)
. Final price: $427.49 . Original price: $474.99
10% OFF
Pro Circuit - T-6 Stainless Slip-On Exhaust (Gas Gas)Pro Circuit - T-6 Stainless Slip-On Exhaust (Gas Gas) - alternate view
Winter Deal
Pro Circuit - T-6 Stainless Slip-On Exhaust (Gas Gas)
Price range: $531.85 - $542.65
Up to 10% OFF
FMF - Powercore 4 Hex Muffler (Beta)
Winter Deal
FMF - Powercore 4 Hex Muffler (Beta)
. Final price: $359.99 . Original price: $399.99
10% OFF
Pro Circuit - T-6 Stainless Slip-On Exhaust (Suzuki)
Winter Deal
Pro Circuit - T-6 Stainless Slip-On Exhaust (Suzuki)
. Final price: $531.85 . Original price: $590.95
10% OFF
FMF - Powercore 4 Hex Slip-On Muffler (Gas Gas)FMF - Powercore 4 Hex Slip-On Muffler (Gas Gas) - alternate view
Winter Deal
FMF - Powercore 4 Hex Slip-On Muffler (Gas Gas)
Price range: $359.99 - $494.99
Up to 10% OFF
FMF - Q4 Hex Spark Arrestor Muffler (Beta)
Winter Deal
FMF - Q4 Hex Spark Arrestor Muffler (Beta)
. Final price: $404.99 . Original price: $449.99
10% OFF
FMF - Powercore 4 Muffler KLX/DRZ 110's
Winter Deal
FMF - Powercore 4 Muffler KLX/DRZ 110's
. Final price: $251.99 . Original price: $279.99
10% OFF
You’ve viewed 48/141 products

4-Stroke Exhaust | Full Systems & Slip-Ons for Motocross, Enduro & Dual Sport

A 4-stroke exhaust upgrade is one of the most effective ways to improve throttle response, power delivery, weight reduction, and overall ride feel. Whether you ride motocross, enduro, dual sport, or street, the right exhaust system can sharpen acceleration, improve mid-range pull, and tune sound characteristics to match your riding style. Riders can choose between full exhaust systems for maximum performance gains or slip-on mufflers for targeted improvements with easier installation.

This collection includes performance exhaust options engineered specifically for modern 4-stroke engines. These systems are built to withstand heat, vibration, and aggressive riding conditions while maintaining proper fitment and reliable performance.

4-Stroke Dirt Bike Exhaust Systems

Motocross and off-road 4-stroke exhausts focus on power optimization and weight savings. Full systems typically replace the head pipe and muffler for the greatest performance gain, while slip-ons offer a simpler upgrade path with noticeable improvements in sound and throttle response.

Browse race-ready options in 4-stroke dirt bike exhausts, featuring systems designed for MX tracks, trail riding, and enduro terrain.

Top Performance Exhaust Brands

Proven exhaust manufacturers design systems around specific engine platforms to ensure proper power curves and durability. Riders can explore premium options from FMF 4-stroke exhausts, Yoshimura 4-stroke exhausts, and Pro Circuit 4-stroke exhausts, all known for race-tested performance and precise fitment.

OEM-Specific 4-Stroke Exhaust Options

Some riders prefer exhaust systems engineered specifically for their bike’s platform. Brand-matched options are available in Husqvarna 4-stroke exhausts and KTM PowerParts 4-stroke exhausts, ensuring compatibility and performance aligned with factory specifications.

Street & ATV 4-Stroke Exhausts

4-stroke exhaust upgrades are not limited to dirt bikes. Street riders can improve sound, weight, and flow characteristics with street bike 4-stroke exhausts, while utility and sport riders can find durable systems in ATV 4-stroke exhausts designed for off-road abuse and long service life.

Why Upgrade a 4-Stroke Exhaust

  • Improved power delivery: Optimized flow enhances throttle response and mid-range pull.
  • Weight reduction: Aftermarket systems are often lighter than stock exhausts.
  • Sound tuning: Choose a tone that matches your riding preference.
  • Bike-specific fitment: Systems are engineered for proper clearance and performance.

A properly matched 4-stroke exhaust transforms how your bike responds on the track, trail, or street. Use the collections above to compare full systems and slip-ons and choose a performance exhaust that fits your engine platform, riding environment, and performance goals.