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Old 03-05-2013, 08:29 AM   #331
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Join Date: Nov 2006
Location: Minneapolis, MN
Posts: 493
My Ride: 2006 M3
Originally Posted by fsmtnbiker View Post
Has anyone ever swapped an E36 exhaust into an E46? The head bolt pattern is the same, the underbody isn't that different. I'm wondering if it would be worth some power (I have more than one full E36 exhaust laying around.) It would be interesting to see how much power could be gained simply by removing those ridiculous factory manifolds and replacing them with... less ridiculous factory manifolds (or something aftermarket.)
Hah! Chris let me know if you find anything out, I'm working on a similar project... (E36 shorty headers with a cat added after a collector for my ZHP)

I'm not totally sure the shorties will clear the engine mount arm, but there's a $40 M54B30 nearby, and the arm is $30, so I might just buy those and find out before I try it in my car.
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