2007 WRX STI Cobb Stage2 - Gruppe-S Equal Length Headers 1

Decided to get some el headers to see if I could get the STI to spool even earlier. I had PDXTuning make a new map. So far seems like mid/upper range is better. The header is not wrapped yet, so I’ll probably give my thoughts on low end torque afterwards.

Author: turbovids
Keywords: WRX STI EVO SKYLINE SUPRA TURBO INTERCOOLER COBB HEADER Headers Gruppe-s Equal Length
Added: May 2, 2008

 
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