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The BMW Range
3 Series
Removed Cat and Resonator lose power?
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<blockquote data-quote="musclehedz" data-source="post: 69315" data-attributes="member: 1033"><p>You got CAI, so meaning you have a more free flow breathing in system, now u need a more free flow exhaust system to complement it as well. You can bolt on those proper R&D full systems like AC, Sebring and alike which should get you a balance of performance and not to mention not LOUD. Those Ahkow/AhChi Sungai Buloh R&D system don't cut it.</p><p></p><p>Correct me if I'm wrong...bigger pipes = gas cools faster = less velocity = gas exits slowly = cockup, if you use bigger pipes, it would be a tad bit beneficial to have them thermally wrapped but do not wrap the headers, it will shorten the lifespan of the header a lot and will end up cracking them.</p><p></p><p>As for the high-speed resonators..its doesn't really make a difference unless you are always top-ending the engine everytime u go out. Its much more beneficial to use a high-flow mid silencer instead.</p></blockquote><p></p>
[QUOTE="musclehedz, post: 69315, member: 1033"] You got CAI, so meaning you have a more free flow breathing in system, now u need a more free flow exhaust system to complement it as well. You can bolt on those proper R&D full systems like AC, Sebring and alike which should get you a balance of performance and not to mention not LOUD. Those Ahkow/AhChi Sungai Buloh R&D system don't cut it. Correct me if I'm wrong...bigger pipes = gas cools faster = less velocity = gas exits slowly = cockup, if you use bigger pipes, it would be a tad bit beneficial to have them thermally wrapped but do not wrap the headers, it will shorten the lifespan of the header a lot and will end up cracking them. As for the high-speed resonators..its doesn't really make a difference unless you are always top-ending the engine everytime u go out. Its much more beneficial to use a high-flow mid silencer instead. [/QUOTE]
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Removed Cat and Resonator lose power?
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