Save yer money,boys and girls ! I just bought a new muffler for my 77 volare super six. It's called a Flow Tech "Raptor"..2 1/4 in and out.Checker auto , in stock and only $19.99 ! So far the sound and performance is awesome....

Can you describe what it sounds like, and how much interior resonance are you having (versus stock)

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82 D150-225/727
02 Dakota-3.9/5 speed
87 GMC C7000-8.2 Detroit Diesel/5+2

First of all, I have it installed w no tailpipe. Comes out right b4 the rear axle. Will be adding tailpipe soon. Sounds like a V8 !! Not very loud,a little moanong on low rpm side,but pretty quiet at 60-65 on highway. I'm sure that with a tailpipe it'll be perfect !!! I would also not hesitate to say I gained at LEAST 2 mpg's over stock supersix muffler...

Hate to throw this in but that muffler will actuall kill mpg's and hp.It a really poor muffler!

exacly where did u get this info ???

putting a tail pipe will really quiet it down as well.
My cherrybomb turbo muffler was very loud untill the tailpipe was installed.

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Does it go "BRRRRRRRRRRR", "BURPBURPBURP", or "MMMMMMMMM"?
Sorry, Jeb, I couldn't resist.

Jerry

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There's a difference between ignorance and stupidity.
Ignorance is not knowing any better.
Stupidity is knowing, yet doing it anyway.