Quote:
Originally Posted by SD455DJ
Riderfan - I agree with Formulajones completely, but we have also seen some improvement when just the head-pipe is changed to the 2.5" mandrel style. The most severe hp loss comes with the first bend out of the exhaust manifold, so the bigger and smoother it is, the better off you are. Run the Pypes head-pipe full length (about 42") and don't cut it shorter, then transition into your Gardner system with reducers. That would net you about 2 tenths and 2 mph in the quarter.
Dennis
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That sounds like more bang for the buck than RA manifolds. Thanks!
And to 64speed & Formulajones, yup should've went with Pypes in the first place, but at the time it wasn't feasible. So now just trying to make the most of what I got (which is virtually brand new)
Thanks all for the replies/insight/advice.
Keith