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Stock Exhaust?

1K views 2 replies 3 participants last post by  bigred318 
#1 ·
hey, i have a 318is n my stock exhaust is pretty damn loud...

it sounds like theres a whole in it...(compared to exhausts on my other cars...)
but theres not i had it checked out, n bmw said thats just what it sounds like....

what do u guys suggest for aftermarket exhaust?

i have a friend that makes custom ones... @ Blu By U Performance so i was either thikning of going that way or if u guys had any ideas

combined with the Conforti chip, intake, will this exhaust add or make a diff as far as speed/horsepower???

thanks
 
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