Thread: E90 325 Muffler Delete !!!!
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      09-10-2007, 11:25 PM   #128
BMW_E90
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Drives: 325i
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Quote:
Originally Posted by mike328 View Post
oh yes i feel a boost. i know that i gained HP and Tourque.
you actually gain hp because all that backpressure is released, but you lose torque.
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