Quote:
Originally Posted by benzo23
craven, do you re do the piping inside? like some do on the m3? or is it just a matter of removing the insulation? Ive never even seen the inside of a n52 muffler. I guess what im trying to ask is whats the difference on the inside from stock and a PE?
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We totally change the piping inside and add/remove stuffing in places of the muffler.
The stock is bulky and very restrictive, so we fix that problem with new piping similar to the BMW PE but not exactly the same. So they wont sound the same as a PE will, its a different setup but very effective
