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Message: <blockquote data-quote="EastBayStang98" data-source="post: 452375" data-attributes="member: 10733"><p>well I'm having mixed reactions about redoing my exhaust. i currently have stock headers, with an off road x pipe, and 40 series flows. but i have my mind made up on getting slp lm1's, because i love that sound and i want to go louder <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile    :)" loading="lazy" data-shortname=":)" /> but a friend of mine told me that i will have backpressure issues with the lm1's and that i will actually lose power and that the end result the car wouldn't sound that good anyways. whats the real truth behind this? will i have probelms and end up losing power? thanks guys</p></blockquote><p></p>