Exhaust question?
Exhaust question?
Hotshot
Joined: Sep 2001
Posts: 11,958
Likes: 228
Are you talking about single or dual pipes? I would say a single 2.5 or 3 inch and for dual pipes go with 2.25.
Magnaflow makes good replacement cats, so does Catco. There may be better ones, but these are better than most.
Magnaflow makes good replacement cats, so does Catco. There may be better ones, but these are better than most.
Lead Driver
Joined: Jan 2003
Posts: 9,893
Likes: 12
From: Ohio
Ditch the muffler and just run the tailpipe off the cat. That will make it louder. They make cat back systems that basically do that.
Kinda like top of this page:
Truck Parts and Truck Accessories
Kinda pricey, but you could have something made up yourself.
Kinda like top of this page:
Truck Parts and Truck Accessories
Kinda pricey, but you could have something made up yourself.
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New User
Joined: Jul 2012
Posts: 12
Likes: 0
my buddy has a 1986 f-150 single cab short bed and all he has done for the exhaust is put a flowmaster 40 on the cat and turned it out before the rear wheel. now thats an awesome rumble!
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Logistics Pro
Joined: Mar 2011
Posts: 4,197
Likes: 558
From: Central Wisconsin
Don't go any bigger than 3" behind a small block gasser. But 2.5" duals would be plenty, and a 3" single would be just fine too. With big pipe like 4" you lose a lot of the scavenging that you get with the smaller pipe. But too small of pipe and you create back pressure, which you want to eliminate as much as possible in a gasser.
If you don't get smog tested, you could just cut the cat off and run a flowmaster or similar muffler. I'm kinda partial to Flowmaster mufflers, but whatever your preference is.
If you don't get smog tested, you could just cut the cat off and run a flowmaster or similar muffler. I'm kinda partial to Flowmaster mufflers, but whatever your preference is.
Freshman User
Joined: Aug 2012
Posts: 35
Likes: 0
just did a 2.5 " Magnaflow on mine also with a new cat from Magnaflow(A.K.A Carsound) .Sounds nice and quiet at idle but when you get on it, gets nice and throaty!
runs alot better too.
Single exhaust out the back
runs alot better too.
Single exhaust out the back
More Turbo
Joined: Aug 2012
Posts: 510
Likes: 1
The exhaust in the truck im getting rusted off at the back of the cat, Im keeping it short sweet and simple! walker dual into one universal cat into a cherry bomb extreme muffler with a 12inch turn down out of that, pops out right before the rear axle. everything is ganna be 2.5 inch tubing
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