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| 09-23-2015, 04:06 PM | #1 |
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Lieutenant
 
79
Rep 412
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Straight Exaust
The car has S/C VT2-625 MS test pipes,and the STRAIGHT CUT BACK(no muffler) I am concerned if that configuration could cause less TORQUE,once the back pressure is almost nothing,?
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| 09-23-2015, 06:42 PM | #2 |
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Captain
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Rep 999
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I have that setup. Never been on the dyno though. I know from straight pipe NA to straight pipe Supercharged the butt dyno is loving it.
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Performance ESS 625 VT2 Supercharger - CAE Shifter - Revinora race+ axle back - Macht Schnell down pipes - SOSI X-pipe Looks M colors grill - CF trunk - Sapphire Blue Forgestars F14 |
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| 09-23-2015, 10:05 PM | #3 |
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PAZUZU
545
Rep 2,058
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Drives: '15 M4
Join Date: Sep 2013
Location: San Antonio, TX
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I believe a free flow exhaust is better than an exhaust that would cause back pressure. You will read higher boost with back pressure but I hope the experts will chime in and give their opinion on loss of torque. The dyno library is a great source to compare exhaust configurations with a sc system.
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 2009 M3 DCT ESS625+ SOLD 2015 M4 BSM/Silverstone F4LCON @texasMclub IG @jagemoets |
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