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      10-12-2012, 01:02 PM   #25
mump
Second Lieutenant
 
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Drives: '11 E93 335is/'01 986S/'13 F30
Join Date: Jul 2012
Location: Ramstein, Germany

Posts: 279
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Stock Evo IX turbo, GSC Stage 2 with upgraded spring/retainers, Sparkteck ignition, HKS intake, 3 inch exhaust no cats.

I don't have a baseline Dyno, but when I had only a drop-in filter and a catback with a HFC, boost around 21, it put down 299 awhp/ 303 ft-lbs with a stock Evo VIII turbo.
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