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6th gen 3400

Old 11-16-2015, 04:44 PM
1 Year Member
Thread Starter
Join Date: Jul 2014
Location: Florida
Posts: 23
Default 6th gen 3400

i have a 2002 LS 3400 and I am looking to get two fowmaster super40 mufflers(someone here recommended).
I do understand there will be welding and cutting of and adding pipe involved but does anyone on here know the diameter of the muffler ?
i believe it is 2.5 inch
Im ready to buy tonight.
I just want to order the right stuff

i called chevy and they said they dont know lol

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