[05 raptor 660.] - ATV Riders Forums - Honda, Yamaha, Suzuki, Kawasaki, Polaris, CanAm, Arctic Cat, Kymco ATVs

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05 raptor 660.
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Posted by: spadeflush05

i just bought a new raptor 660,and i was wondering what kind of exhaust i should use.and how can i figure out top speed,and total hp it really has.any help would be great,thanx.

Posted by: rap686

Exhaust, most of the major companies make a good exhaust.Pick something in the middle price range or better and its hard to go wrong.Everyone has there own fav. I run GYT-R, there isn't much r&d going on with Raptor exhaust anymore.
Speed, run along with a car on a deserted road. GPS, Radar speed trap (they will be happy to tell you how fast you were going)G-tech meter ect.
Horsepower,the only way to really know that isn't a guess is with a DYNO

Posted by: spadeflush05

cool ,i was thinking about getting the dmc alien exhaust for my bike.

Posted by: Racing Rice

There are countless numbers of Raptor exhaust out there in both Single and Dual variations. I've heard good things about HMF exhausts.

As for HP and MPH, I've read that it will do around 75MPH top speed though I've never tried (I don't really care either.) I've also seen Dyno charts that say a stock Raptor is about low to mid 30's in the HP department.

All I care about is the fact that its fast and fun.. So far its been both.

Posted by: rap686

I,ve run mine on the dyno ( because it's free for me) it's not stock and is making 56hp.
I don,t care how fast it will go as long as I'm out front!!!!

Posted by: YFZ450Ridr

quote:
Originally posted by spadeflush05
cool ,i was thinking about getting the dmc alien exhaust for my bike.

id stay away from those, dg, and cobra exhausts.

a quality exhaust is something like curtis sparks, rossier, hmf, yoshimura, pro circut and a few more.

Posted by: MadDog56

For all out performance go with Sparks or CT for singles, LTE for duals. HP output is in that order.

For a good pipe thats easy on the wallet go for a Yoshi or HMF.

quote:
Originally posted by rap686
I,ve run mine on the dyno ( because it's free for me) it's not stock and is making 56hp.
I don,t care how fast it will go as long as I'm out front!!!!

What performance mods do you have done to it, and what does a stock raptor run on this dyno?

Posted by: rap686

Full GYT-R exhaust, K&N, Dyna Tech Ing with custom curve, lots of insulation on all fuel system parts,NGK VX modified and indexed spark plug.
Stock from Dealer 37hp
Rejet on dyno 39hp

Posted by: raptorred660rf

is a ct racing pipe good for a raptor

Posted by: 04EXdude

HMF is one of the best. I had one on my 05 660 also.