Our pipe and cold air kit have given this already powerful quad a 6 H.P. gain at the previous peak of 7800 RPMs and a staggering 9 H.P. gain at 9,000, where the stock pipe has already fallen off. This means 1 less shift down that long straightaway. From 3,000 RPM to 7,000 RPM we are getting 4 to 7 H.P. across the board, and the torque peak has gone from 28 FT. LBS to 33! All this with just a pipe and filter. As a comparison, our fully built, ported and cammed, race gas engines for YFZ and TRX racers make 35 - 36 FT.LBS. Folks, this engine has some serious potential!
***Note: Includes instructions. Quiet Kit, Spark Arrestor, and Free Air Kit sold separately.
***This pipe can be purchased with either our conventional turn-down end cap, or our Mega Cone end cap.
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DS450 EXHAUST SYSTEM WITH TURN DOWN
DS450 EXHAUST SYSTEM WITH MEGA CONE
DS450 EXHAUST SYSTEM WITH QUIET KIT
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Free breathing intake kit consisting of an oiled mesh filter and billet adapter. Belled adapter radius custom developed on our flow bench.
DS450 AIR FILTER WITH ADAPTER
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Pictured are our conventional downturn end cap and our Mega Cone end cap. Both versions available seperately, and are interchangable.
***Note: Includes hardware kit.
MEGA CONE END CAP
TURN DOWN END CAP
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Lose the bark, keep the bite with RE's Quiet Kit for your Rossier DS450 Exhaust. Includes hardware.
QUIET KIT WITH HARDWARE
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This is a true racing piston with a 13.5:1 compression ratio. Don't settle for 12.6 -12.8 when you can get the real thing here. While far more difficult to manufacture, owing to the dual plug head, we have taken the extra steps required to guarantee that no potential horsepower will be left behind. With gas porting, dual pin oilers, additional pin boss braces, a complex dome design and oversize valve capacity, this is the real deal. Race gas only please!
***Note: Kits include piston, wrist pin, rings, circlips.
DS450 PISTON KIT
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