There's one on youtube with 3" piping. It sounds so much better. Yes 2.5" is fine for NA but the 3" sounds more like a boxer.
Quote:
Originally Posted by Stav
There is only one Magnaflow exhaust, here is the description off of there website.
H4 2.0L
5 x 8 x 18in. Muffler; 4 x 4 x 14in Resonator; 2.5in. Tubing; 4in. Stainless Tips; DUAL SPLIT REAR EXIT
Looks like 2.5 inches which is plenty for NA
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