How to equal straightline speed vs. the C63
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03-25-2012, 10:56 AM
Drives: E92 M3, Evo X MR, A4 Allroad
Join Date: Jan 2012
a catless DCT M3 with a tune should be able to hold against a stock 450hp C63 , maybe even beat it . Turnermotorsport advertise a gain of 40whp with just their test pipes(400$) and their tune (1200$) !
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