Motordyne xyz pipe with stock exhaust
Joined: Mar 2009
Posts: 18,299
Likes: 1,488
From: By the sea, Tx
G35 sedan w/ too much money in mods

Depends on how loud you want the car. Louder, go with the straight. Quieter, go with the resonator. Emissions concerns, go with the catalytic module. This ain't rocket science..........
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