The whole "you need backpressure" thing is a myth.
http://www.uucmotorwerks.com/html_product/...etorquemyth.htm
My 3400 runs just fine and has for 3? years with an EXTREMELY free flowing exhaust. So did my old non-turbo Volvo.
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Cliff Scott
2004 Alero GX w/sport pkg - Sold, living somewhere in WI now.
2011 Saab 9-5 Turbo4 M6
2004 Corvette Convertible M6
1994 Chevy Beretta - Quad4/M5
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