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Exhaust fact and myth
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<blockquote data-quote="ssmann" data-source="post: 23268" data-attributes="member: 18956"><p>Recently I have been toying around with the exhaust system on my S50. I'm still playing around with exhaust theory and what works best. I am researching backpressure, CAT vs no CAT, resonator, sizing, flow tech and various aftermarket systems. Attached below, some info, hopefully makes a good reference pointAll about backpressure<a href="http://www.thumpertalk.com/forum/showthread.php?t=659727" target="_blank">http://www.thumpertalk.com/forum/showthread.php?t=659727</a><a href="http://www.uucmotorwerks.com/html_product/sue462/backpressuretorquemyth.htm" target="_blank">http://www.uucmotorwerks.com/html_product/sue462/backpressuretorquemyth.htm</a>CAT vs no CAT<a href="http://www.grandamgt.com/forum/showthread.php?t=82418" target="_blank">http://www.grandamgt.com/forum/showthread.php?t=82418</a><a href="http://www.ehow.com/about_6170978_resonator-vs_-catalytic-converter.html" target="_blank">http://www.ehow.com/about_6170978_resonator-vs_-catalytic-converter.html</a>E36 M3 systemsGood and extensive review of 10 aftermarket systems for E36 M3 US spec (so relatively lower HP no's). UUC came out tops....<a href="http://www.europeancarweb.com/tech/0301ec_bmw_e36_exhaust_testing/index.html" target="_blank">http://www.europeancarweb.com/tech/0301ec_bmw_e36_exhaust_testing/index.html</a><a href="http://www.uucmotorwerks.com/rsc36/" target="_blank">http://www.uucmotorwerks.com/rsc36/</a>I like how the UUC sounds....bass is what I like. If I ever change my ori system, it would be this[video=youtube;e5jzsNJj1xc]http-~~-//www.youtube.com/watch?v=e5jzsNJj1xc[/video][video=youtube;rRdF0NsdYUE]http-~~-//www.youtube.com/watch?v=rRdF0NsdYUE&feature=related[/video]Some like AA......I personally do not like how it sounds, lacks character i.e. bass<a href="http://www.bimmerboost.com/showthread.php?2463-Best-E36-M3-performance-exhaust-option" target="_blank">http://www.bimmerboost.com/showthread.php?2463-Best-E36-M3-performance-exhaust-option</a>The search for the perfect exhaust system is not a simple one as there are too many variables....I guess the search continues......</p></blockquote><p></p>
[QUOTE="ssmann, post: 23268, member: 18956"] Recently I have been toying around with the exhaust system on my S50. I'm still playing around with exhaust theory and what works best. I am researching backpressure, CAT vs no CAT, resonator, sizing, flow tech and various aftermarket systems. Attached below, some info, hopefully makes a good reference pointAll about backpressure[URL="http://www.thumpertalk.com/forum/showthread.php?t=659727"]http://www.thumpertalk.com/forum/showthread.php?t=659727[/URL][URL="http://www.uucmotorwerks.com/html_product/sue462/backpressuretorquemyth.htm"]http://www.uucmotorwerks.com/html_product/sue462/backpressuretorquemyth.htm[/URL]CAT vs no CAT[URL="http://www.grandamgt.com/forum/showthread.php?t=82418"]http://www.grandamgt.com/forum/showthread.php?t=82418[/URL][URL="http://www.ehow.com/about_6170978_resonator-vs_-catalytic-converter.html"]http://www.ehow.com/about_6170978_resonator-vs_-catalytic-converter.html[/URL]E36 M3 systemsGood and extensive review of 10 aftermarket systems for E36 M3 US spec (so relatively lower HP no's). UUC came out tops....[URL="http://www.europeancarweb.com/tech/0301ec_bmw_e36_exhaust_testing/index.html"]http://www.europeancarweb.com/tech/0301ec_bmw_e36_exhaust_testing/index.html[/URL][URL="http://www.uucmotorwerks.com/rsc36/"]http://www.uucmotorwerks.com/rsc36/[/URL]I like how the UUC sounds....bass is what I like. If I ever change my ori system, it would be this[video=youtube;e5jzsNJj1xc]http-~~-//www.youtube.com/watch?v=e5jzsNJj1xc[/video][video=youtube;rRdF0NsdYUE]http-~~-//www.youtube.com/watch?v=rRdF0NsdYUE&feature=related[/video]Some like AA......I personally do not like how it sounds, lacks character i.e. bass[URL="http://www.bimmerboost.com/showthread.php?2463-Best-E36-M3-performance-exhaust-option"]http://www.bimmerboost.com/showthread.php?2463-Best-E36-M3-performance-exhaust-option[/URL]The search for the perfect exhaust system is not a simple one as there are too many variables....I guess the search continues...... [/QUOTE]
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