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86GT · 05-30-2001, 11:00 AM

The headers are hurting him because of lack of back pressure. I had 1 5/8" shorties with and o/r H pipe on my stock engine, and it was gutless off the line, only at 3500rpm and higher did I feel any difference.

05-30-2001, 11:00 AM	#8
86GT Sniffed too much n20 Join Date: Oct 1998 Location: Ont, Canada Posts: 1,018	The headers are hurting him because of lack of back pressure. I had 1 5/8" shorties with and o/r H pipe on my stock engine, and it was gutless off the line, only at 3500rpm and higher did I feel any difference.