Building custom exhaust... what size flange for exit off cats?
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Building custom exhaust... what size flange for exit off cats?
Seems straightforward....
I want to build a 2.5" true dual with a Magnaflow 11386 and some turbo style mufflers. What size is the flange? I know most aftermarket y-pipes are 2.5" but I want to know what will mate right to the cat.
I want to build a 2.5" true dual with a Magnaflow 11386 and some turbo style mufflers. What size is the flange? I know most aftermarket y-pipes are 2.5" but I want to know what will mate right to the cat.
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