Ordering Flowmaster catback

[Black95Camaro]

I'm about to order the flowmaster catback part# FLO-17356 for my 95 and i have a question. I want to order a new high flow cat with the flowmaster but i don't know what size inlet/outlet i need since most of the "direct fit" converters are made for an oem system. Would i get a 2.5" inlet/outlet universal car or a direct fit?

Thanks for your help

[cam98aro]

i know the cat has 2 different inlet/outlet sizes.

I know one of them is 2.5.. i dont know the other.

Dont quote me, because i may be wrong, but im pretty sure.

[Fbody3400]

How big is the catback you ordered? 2.5 or 3 inches? Either way, i'd go with a 3" in/out high flow cat, when you or the shop installs the system you'll just need a reducer.

[97burnout]

the bigger the better is what they say... just do a straight pipe in there instead.. some shops might not do it but all you do is get a bolt on straight pipe and keep the old cat for emissions testing.

[PalmHarborBlkv6]

Hey, if Harley owners can make a lot of noise...why not car
owners?

[$*Blake*$]

i would make sure they weld it on tho,no exhuast leaks like you would most likely get if you clamped it... but whatever you want cuz u might want to take it off

[Black95Camaro]

Alright i ordered the 2.5" Flowmaster catback with a 2.5" high-flow magnaflow cat. Can't wait to feel and hear the improvement! I'll try and make a sound clip