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Shiwnath · 04-28-2011, 12:10 PM

Whats the difference between this one: http://www.summitracing.com/parts/MP...RO&prefilter=1
and the other one posted above? I know the one posted by Lucalare is for the 3.1L, but how come the one for the 3.4L costs more? Is there a difference in performance or is it basically the same cat, different part number?

04-28-2011, 12:10 PM	#5
Shiwnath 15.65 @ 87.3 MPH Join Date: Nov 2009 Location: Sarnia, Ontario Posts: 1,189	Whats the difference between this one: http://www.summitracing.com/parts/MP...RO&prefilter=1 and the other one posted above? I know the one posted by Lucalare is for the 3.1L, but how come the one for the 3.4L costs more? Is there a difference in performance or is it basically the same cat, different part number? __________________ Hit a dear! Back to stock 3400... For now