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GM performance exhaust p#17801989, thoughts?

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Old Oct 19, 2007 | 02:27 PM
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Default GM performance exhaust p#17801989, thoughts?

I just bought a 07 silverado 2500 HD and was wondering what your guys thoughts are on the gm exhaust systems. I've been told there made by corsa so I'm sure the quality is there but what about the performance? I'm leaning towards part number 17801989 due to it not voiding the warranty. So far all I've done is the gm cold air kit. All I'm trying to do is help the gas mileage alittle and help it when I start towing the camaro's around. Thanks for any help I can get.
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Old Oct 19, 2007 | 02:57 PM
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It's a fine quality system, but IMO it's a bit on the pricey side. The Sport system has a lot better sound, you'll like it. But the touring is quite...just a little rumble is all.
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