MagnaFlow with 2.5 inlet question
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Joined: Mar 2014
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From: SA TX
Car: 91 Convertible
Engine: Stock 305
Transmission: Auto
Axle/Gears: 3.42
MagnaFlow with 2.5 inlet question
Im upgrading my exhaust, going y pipe to 3", HF cat, to my magnaflow but the inlet is a 2.5" . Am I gonna need to buy a new muffler or can I have the muffler shop cut the inlet out to 3" and keep correct flow?
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