Quote:
Originally Posted by toeout
My car is not supercharged. I felt no loss in power, Borla's muffler is a straight through design. I didn't get a retune, because that muffler in that spot is no different than a stock or aftermarket resonator, only difference is more canister volume.
I would buy the muffler first and then see if you still need to change out the front pipe. IMO the resonators on all the aftermarket front pipes are so small, the they make very little difference sound wise.
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I'm running into a similar problem as op. Does the borla muffler bolt up to the perrin?