DG PERFORMANCE

Stainless steel merge collector for maximum powerExcellent power gains throughout the power curveReduced weight over stockAccepts optional quite core inserts to reduce exhaust sound (not...

Unparalleled quality and performance; 13 hp increase throughout the mid-range and top endTen pounds lighter than stock Yamaha -- RD 400 -- (1978, 1977)

Unparalleled quality and performance; 13 hp increase throughout the mid-range and top endTen pounds lighter than stock Yamaha -- RD 350 -- (1973, 1974, 1975)

Reduce exhaust sound by one to six decibelsWork with DG V2 mufflersEasy installation; remove rear end cap and place Quiet Core in front of the spark arrestor

Removable spark arrestor insert

High-output exhaust systems; the surest way to increase your ATV's horsepower and accelerationHigh-luster duplex nickel plating gives a durable, long-lasting finishRace tested and proven for top...

Reduce exhaust sound by one to six decibelsWork with DG V2 mufflersEasy installation; remove rear end cap and place Quiet Core in front of the spark arrestor

Reduce exhaust sound by one to six decibelsWork with DG V2 mufflersEasy installation; remove rear end cap and place Quiet Core in front of the spark arrestor

Reduce exhaust sound by one to six decibelsWork with DG V2 mufflersEasy installation; remove rear end cap and place Quiet Core in front of the spark arrestor

High-output exhaust systems; the surest way to increase your ATV's horsepower and accelerationHigh-luster duplex nickel plating gives a durable, long-lasting finishRace tested and proven for top...

Increases top speed from 48 mph to 57 mphDesigned after the factory Yamaha Road Racing PipesComes complete with a rebuildable oval alloy silencer Yamaha -- YSR 50 -- (1989, 1992, 1987, 1990, 1988,...

High-output exhaust systems; the surest way to increase your ATV's horsepower and accelerationHigh-luster duplex nickel plating gives a durable, long-lasting finishRace tested and proven for top...