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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 02-12-2007, 11:12 PM   #31
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Quote:
Originally Posted by briandf
What is the most restrictive section in the exhaust on bonnies.
the Manifolds will be your biggest restriction

like i said in my previous post....the stock exhaust (minus the manifolds) will power Bonnevilles well in to the 13'*

besides the manifolds the cat would be the only thing to replace for some (yet small) gain

you cant out flow the mufflers on these cars, and the piping is more adequate
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Old 02-12-2007, 11:14 PM   #32
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Ding anyone know the effects of a 3" DP on the GXP ??? cause i got one coming for spring.
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