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g6civcx · 12-11-2008, 11:33 PM

I have a Magnaflow 3" cat from PDM Racing. No fitment issue whatsoever.

The car only lost 15 bhp on cat and 2.5" custom catback vs. open header on my V8. I can't imagine a 4 cylinder car losing more power if you have a good catback.

I'm not sure if the extra gain you get with a test pipe is worth it.

12-11-2008, 11:33 PM	#5
g6civcx Post Whore! Join Date: Apr 2004 Location: Virginia, USA Posts: 5,764 Trader Rating: (5)	I have a Magnaflow 3" cat from PDM Racing. No fitment issue whatsoever. The car only lost 15 bhp on cat and 2.5" custom catback vs. open header on my V8. I can't imagine a 4 cylinder car losing more power if you have a good catback. I'm not sure if the extra gain you get with a test pipe is worth it.