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RX-7 1st Gen Specific (1979-85) RX-7 1979-85 Discussion including performance modifications and technical support sections

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Old 05-24-2013, 02:47 PM   #1
one320fc
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I am currently building my 12As exhaust, its not running yet so not sure how its going to sound but I bought a chamberd muffler hope it makes it more reasonable sounding!
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Old 05-24-2013, 07:04 PM   #2
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Quote:
Originally Posted by one320fc View Post
I am currently building my 12As exhaust, its not running yet so not sure how its going to sound but I bought a chamberd muffler hope it makes it more reasonable sounding!
I went the same build it yourself route as well. Used the Spin-Tech mufflers, no packing, basically similar in design to the chambered. They sound good, not tinny or raspy with a nice snarl. Problem is they are almost objectionably loud. When I get a round tuit I plan on trying some of the self adjusting baffles from Rocky Mountain Performance.

http://www.rocky-mountain-performance.com/

They're mainly for motorcycles, but I figured it can't hurt at this point to give them a try. SS mufflers are pricey and I'm stubborn, not to mention cheap.
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