View Full Version : Cat Back Exhaust
Craney
03-22-2009, 10:57 AM
I'm thinking about putting a cat back exhaust on my 6.0 has anybody picked up any performance or mpg?
BBB725
03-22-2009, 11:33 AM
I'm thinking about putting a cat back exhaust on my 6.0 has anybody picked up any performance or mpg?
I've done it twice on gas motors, late 90's Yukon with a 350 and current is a 5.4 liter ford. Both Borla systems, very quiet under 3000-3500 nice rumble when you put your foot in it. Picked up performance and mpg, but had my foot in it more so it was a wash.
Sydwayz
03-22-2009, 12:03 PM
6.0L Gas GM
or
6.0L PSD Ford
BIG difference.
Flowmaster for GM Gas
MBRP for Ford PSD
I have experience with both systems on different engines and like the results.
inbetween
03-22-2009, 12:20 PM
I just bought a few parts at murray's and made my own!
inbetween
03-22-2009, 12:20 PM
Seriously though, for the powerstroke, there's a ton of info in the forums at powerstroke.org
Shockwave
03-22-2009, 01:24 PM
I put the complete 4" Banks system on my 05 and 07 PS Diesel .
It does make a definite change in performance . I can't say how much fuel you save put performance jumps for sure . I installed the turbo back set up . Re installed the cat. I think whats the point of freeing things up after the cat when you still have a restrictive 3" pipe coming out of the turbo .
Paul
MacGyver
03-22-2009, 01:30 PM
I went cat back on my 5.3 Chevy. I didn't notice much of an improvement in mileage, but it sounds awesome. And if you don't go with stainless all the way, at least go with the stainless tips.
Craney
03-22-2009, 01:33 PM
6.0L Gas GM
or
6.0L PSD Ford
BIG difference.
Flowmaster for GM Gas
MBRP for Ford PSD
I have experience with both systems on different engines and like the results.
Sorry 6.0 PSD Ford
Sydwayz
03-22-2009, 01:52 PM
MBRP 1st Choice
Banks 2nd Choice
I don't know the 6.0 as well as the 7.3 though. Check anything before you purchase on www.thedieselstop.com . I don't know if you like the turbo whistle or not, but I LOVE it on a 6.0L PSD with big exhaust. If you go so far as to dump the cat, and go with a turbo-back exhaust, the truck has an awesome whistle/note. I've got a turbo back setup on 7.3L; (no cat originally) 4" all the way back to a single muffler, and split tips behind each rear wheel.
Slick02
03-23-2009, 08:24 AM
I've had 3 6.0 powerstrokes, and on the first one we did catback exhaust, no noticable incease in mpg, or performance and egt's stayed the same, on the last 2 I used full turbo back systems and noticed measurable power and mpg increases(as long as you kept your foot out of it) with a 200 degree decrease in egts which is the real measure on how well a system works.
FULL FORCE
03-23-2009, 11:46 PM
Turbo back is a must for improvements, I did 4" turbo back Summit exhaust, I did not want to spend a ton on exhast with a 250,00 m iles truck that I drive all winter, they all pretty much perform the same, just some look nicer, I added the stainless 5" tip for looks, usually you will not notice much until it is chipped.
I love the sound...280,000 miles now and ran 15.1 so far overboosting map sensor...99 7.3... love my truck!
Aqua-Holic
06-15-2009, 02:22 PM
I still love my MBRP after 5+ years on a 2000 7.3 psd
waterboy222
06-15-2009, 02:28 PM
MBRP. 140,000 miles no issues.. turbo back (no cat). Sounds awesome, ZERO highway drone.
JPD MOTORSPORTS
06-24-2009, 05:53 PM
we recommend MBRP turbo back. Sounds great, cooler egts. The fitment is perfect as well. for installing these kits on trucks we have been through a few and the MBRP fits perfect never any trouble with pieces not fitting.
boatntrkr
07-20-2009, 12:28 PM
I just installed a MBRP on mine. Easy install and the price was right.
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