Quote:
Originally Posted by itsbrokeagain
no point in gutting the downpipes. Would cause a restriction as mentioned in the other thread due to the sudden increase in pipe diameter then back down again.
Not to mention why would you break apart a set of downpipes that cost somewhere north of $1500 each?
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Do some research first. I came from the audi tuning world. Guttin the cats on DP's would give the car an increase in HP. Do a search on Audiworld.com
and there are endless dyno charts on piggie pipes.