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Old 08-21-2011, 06:46 AM
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camerjeff camerjeff is offline
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Join Date: Dec 2004
Location: Belleville , Mi
Posts: 1,994
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Sorry for the late response, but I missed this post. We had the regular SLP exhaust ( not the load mouth system) and I found it a good mix of performance and sound. Just alittle loader than the stock GTP system with a better rumble, and only made load noises above 4000 RPM.

We had it installed with the rest of the GTX Kit when we bought the car, so I do not have direct comparision numbers for the stock system, sorry.

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