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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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| RX-7 1st Gen Specific (1979-85) RX-7 1979-85 Discussion including performance modifications and technical support sections |
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09-21-2008, 04:02 PM
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#9 | |
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Join Date: Feb 2008
Location: Seattle, WA / Pullman, WA
Posts: 350
Rep Power: 18  |
Here's my recommendation: use 2.5" RB pipe. It has an ID of 2.25", which should work pretty well while still containing the sound much better than standard 1/16" wall piping. For muffling, I recommend an RB presilencer and a Borla ProXS in back. If this is too loud for your taste, put a Magnaflow round muffler after the presilencer and before the axle.
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