BANNED by Kris
Join Date: Oct 2011
Location: Pasadena, CA
Thanked 113 Times in 105 Posts
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After putting new injectors and GP's in my truck is awesome. It's a 1995 F350 with a 7.3 and 188000 miles on it. I'm going to be using it for towing. It's been suggested I also put this other stuff on it.
4" MagnaFlow Universal Cat convertor,
4" Turbo back aluminized,
International Bellowed Uppipe Kit,
Turbo supply Y-pipe,
I can understand why replacing the Cat. but do I really need the other stuff?
No I don't need admission tests. I was just being told that the stock downpipe is squashed at a point so it wouldn't hit the firewall and to make the truck run better I would need to put this 4" downpipe on it. They told me the Cat is probably clogged up and restricting exhaust flow and would be best to replace it.
I hope that this suggestion isn't coming from a diesel shop. Someone is looking for a paycheck out of you. Yes, the stock DP is a hunk of ****. Replacing it with a 3" is inexpensive and a lot easier then replacing it with a 4" DP. The 4" will have you remodeling your firewall extensively to get it to fit with zero rubbing. Running a 4" from the DP back is nice and like Eric said you don't need a Cat or muffler. MagnaFlow is a fine system but more often you can find MBRP brand the cheapest. For fit and finish as well as price a lot of guys on here like the Diamond Eye products. Being in Arizona you shouldn't need any special metals for your exhaust as for most parts of Arizona don't salt or use chemicals on the roads that our Mid. and Northern folks have to put up with. Unless your exhaust y-pipe is damaged you do not need another one. The International bellowed up pipes are nice because it gets rid of any further gaskets needed in that area BUT they are vary E-X-P-E-N-S-I-V-E! You can get a couple hundred thousand miles out of your truck for the price of those things verses replacing the doughnuts every now and then. If you go wild later with power and T4 turbos THEN it will be worth it.
Are you still running the stock air cleaner and intake?
-Bean's: 160/100 (FF Injectors), 2/ 6-POS chips (TW & Beans tunes), Overboost controller, E-Fuel
-BANKs: downpipe, full exhaust, gauges, intercooler
-Irate: T-4 kit, IC pipes, 3" Irate Plenums, BASB Turbo
-Stage II trans.
-Mag-Hytec trans. and pumpkin covers
-6637, CCV, IDM, 6.0 Fan, 49-Federal PCM swap, MAP line Mod
-370 Amp alt., 40k trans cooler, ADRENALINE PUMP
-twin on-board air w/ 10 gal. tank
-Oh, and a 2015 F350 6.7L DRW 4x4
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