Up pipe......worth changing??
Difficult to say.
Most people change the up-pipe in conjuction with other things (usually turbo) so can't determine benefit of up-pipe on its' own.
New age cars seem to benefit from the change but they have a cat in their original up-pipe, so no surprise.
Have you ported the std headers? maybe more of a benefit than the hassle of changing the up-pipe.
Alan
Most people change the up-pipe in conjuction with other things (usually turbo) so can't determine benefit of up-pipe on its' own.
New age cars seem to benefit from the change but they have a cat in their original up-pipe, so no surprise.
Have you ported the std headers? maybe more of a benefit than the hassle of changing the up-pipe.
Alan
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