Thread: Exhaust
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Old October 1st, 2016, 04:58 AM
bigblockv6 bigblockv6 is offline
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Default Re: Exhaust
The dual exhaust will definitely help specially running the larger Holley 500but with 3.07 gears you may want to consider an upgrade to 3.54 gears as well specially with that Powerglide or PowerFlow as GMC called it
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