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Old 02-07-2012, 04:03 PM   #1
Tmwoodall
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Join Date: Jan 2011
Location: Austin, TX
Posts: 632
Exhaust Diamater

I have a bit of a dilema on my hands. Currently just have some old flow masters piped in to keep the noise down. I do not know what series they are, but it is loud.

I am wanting to install the summit x pipe and actually hang my exhaust in the next few weeks. My dilema is this, my Flowmasters are 2 1/4. I am not against replacing them if need be but wouldn't mind not spending the cash either...

With my engine I am not sure what size diameter to run (350 over .030, Comp cam XE274H-10, edelbrock 60899 heads, edelbrock performer intake, edel 600 cfm carb, HEI, full roller rockers, serpentine, etc etc) Should be a pretty healthy little 350.

So with that, should I go to a 2 1/2+ or is 2 1/4 enough? I would rather do it right, and replace the mufflers than be sorry that I didn't spend the time & cash upfront only to redo it in a year.
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