1979 RX-7 muffler needed
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Joined: Oct 2002
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From: Dallas/Ft. Worth
1979 RX-7 muffler needed
I have a 1979 RX-7 with 13b Bridge and 4-barrel Holley carburetor. Custom exhaust. Making high pitch squealing sound from current muffler. Rotary Performance says I need a new straight through muffler. Will be taking it to Kinney's in Watauga, TX in a few weeks to take a look at. Any recommendations for a new muffler? Kinney is suggesting Speed Demon product?
Last edited by gosman; Jun 8, 2018 at 11:56 AM.
Thread Starter
Junior Member
Joined: Oct 2002
Posts: 48
Likes: 0
From: Dallas/Ft. Worth
I have been told that Racing Beat muffler will not work on this set-up. This is a custom pipe coming off of a 13B and a 4 Barrel Holley!! There must not be any air flow restriction!
These, not the stock replacement: Exhaust Universal Parts - Early Rotary & 1979-85 Mazda RX-7
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