Supporting Mods - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


Performance, Brainstorming & Tuning Talk about modifications, or anything else associated with performance enhancements. Have a new idea for performance/reliability? Post it here. No idea is stupid! (please use Detailing and Appearance for cosmetic ideas)

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Old 12-21-2005, 01:19 PM   #1
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Are there any nessesary supporting mods for rockers. I have a gutted air box, plugs, & 3.5". I know I should geta DHP to make use of the upper rpm power. However, anything I actually NEED like say, exaust work?
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Old 12-21-2005, 01:21 PM   #2
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From what I hear it'* important to have a good flowing exhaust for rockers. You're letting all that air in, so you have to let it out.
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Old 12-21-2005, 01:31 PM   #3
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you can stick with the stock muffler and just get a High Flow cat
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