Thread: *Active Autowerke E9X M3 Signature X Pipe Kit w/ High Flow Cat & Race Pipe Option*
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      10-08-2008, 01:28 AM   #18
Kadarin
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Drives: SG/blk '08 E92 M3
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Quote:
Originally Posted by Sticky View Post
When going catless is there a drop off in low end torque by not running primary cats off the header?
More backpressure does not equal more torque. This is a pretty common myth.
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