Exhaust...what diameter
It is all 2 1/2" from the factory. This is large enough for a 281 c.i. motor even with mods. Probably if you have power adder there may some advantage to going larger but if you are n/a 2 1/2" is all you need.
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tj@steeda
2015 - 2023 MUSTANG
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Sep 1, 2015 01:19 PM
Wardog 07
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