Downpipe Question

KingStroker · #1 (**permalink**) 12-15-2011, 10:35 AM

So I bought the truck about a month ago...it has 4" exhaust but still has the stock cat in place. I'm wanting to do a cat delete, but everything i've read says that they'll only fit an aftermarket downpipe. Any ideas???

Oh...the rest of the exhaust is by MBRP and I know they sell a kit with the downpipe that you leave the stock cat in...anyone know how to tell if that might be what's on my truck??

**dhanna6powerstroke** · #2 (**permalink**) 12-15-2011, 10:43 AM

You could cut it out, get a piece of 4" pipe and 2 band clamps. One clamp to connect 4" to 4" and the other that has a 3.5" end and steps up to 4".

8300johndeere · #3 (**permalink**) 12-16-2011, 01:06 PM

Exactly what dhanna said

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