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      09-24-2012, 12:44 PM   #72
ar design
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Drives: 04 M3
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Quote:
Originally Posted by AsiaKid View Post
Question for u all, how is the Down pipes.

Also, if u change the dp but don't change the exhaust does that limit or negate the benefits since it is back pressure?
No, most of the gains are had from catless downpipes.

ar
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