i had the slp on my old gp... i liked it but it tended to get a lil raspy in the upper rpm range. I think the GM Performance Parts catback is really nice or a ZZP 3 inch Catback... just get it with their "whisper" resonator.
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i had the slp on my old gp... i liked it but it tended to get a lil raspy in the upper rpm range. I think the GM Performance Parts catback is really nice or a ZZP 3 inch Catback... just get it with their "whisper" resonator.
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