sajuahmed Posted May 31, 2014 Share Posted May 31, 2014 Hi m runnig wepr ct9 screamer with japspeed full exhaust system...my q is der any chance to less back presure I mean poor performance...m planing get back to decat... Quote Link to post Share on other sites
Liam_D Posted May 31, 2014 Share Posted May 31, 2014 You won't have too much back pressure on a turbo car mate. Quote Link to post Share on other sites
sajuahmed Posted May 31, 2014 Author Share Posted May 31, 2014 So keep my scremer or should I install decat...? Quote Link to post Share on other sites
klyfax Posted June 1, 2014 Share Posted June 1, 2014 It won't take any HP changing that when running a CT9 Quote Link to post Share on other sites
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