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Tru2Chevy · 05-22-2007, 09:23 PM

the "test pipe" is just a pipe that's the same length as the cat that you can install in your exhaust when you remove the cats. Allows you to make more power, but still bolt in the cats to be legal when you want.

- Justin

05-22-2007, 09:23 PM	#10
Tru2Chevy Co-Founder / Site Admin Join Date: Jul 2004 Location: Ewing, NJ Posts: 22,476 iTrader: (8) Social Networks:	the "test pipe" is just a pipe that's the same length as the cat that you can install in your exhaust when you remove the cats. Allows you to make more power, but still bolt in the cats to be legal when you want. - Justin __________________ 1999 Camry - Beigemobile DD 2002 Suburban - Wife's DD 2004 Grand Cherokee - Not running / Project / Selling?