It's definately not going to hurt anything. However, just be careful that you don't cut too much of the turn down off, or your exhaust will end up blowing on your rear bumper cover rather than downward, and you'll get warps, melts, and discoloration locally around the exhaust tip of your bumper.
Oh, and have fun cutting that crap with a hack saw. I took a hack to both of my stock pipes when I swapped to Flowmaster cat-backs. Sucky thing is I didn't have a lift. You'll see what I mean after lying flat on your back with your head cranked to the side, your trunk bent, and your arm cocked up and over your head sawing back and forth on a thick exhaust pipe. A sawsall with a metal cutting blade is ideal.
--nathan
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'91 GT, Coast 347, 9.5:1 compression, full intake, Wolverine 1087 cam, exhaust, Keith Craft ported Windsor Jr. Irons (235 cfm intake, 195 cfm exhaust), AOD, PI 3500 converter, Lentech valve body, 3.73's (4.10's in the works), and Yokohama ES100's out back.
Daily Car: '04 Infiniti G35 Sedan 6MT
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