Quote:
Originally Posted by GrimmSpeed
All GrimmSpeed Up Pipes and HiFlow Crosspipes that have went out the last 2 weeks and all future Up Pipes/Crosspipes will now have 35% thicker stainless steel piping!
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So does this mean that its no longer a weight reduction over the stock piece? Also, is it a 10whp gain over a stock wrx catted up-pipe, or a stock sti up-pipe? Really clean looking part!