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Old Mar 13, 2008 | 08:48 AM
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mbrp

guys, where does the mbrp 4 inch turbo back exhaust expand to 4 inch? i want to delete my cat, but do not want excess adapters in the system, any information or help woul dbe great
 
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Old Mar 13, 2008 | 10:15 AM
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The intermediate pipe after the cat delete pipe. MBRP will have you cut this pipe to fit for SB/LB/SC/CC truck cab configurations.
 
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Old Mar 13, 2008 | 10:49 AM
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thanks, i orderd the 4 inch turbo back kit, however i will make my own cat delete and make it 4 inch all the way up to the downpipe.
also how fun is it getting stock downpipe off? i figure i might have to cut it, which if it makes it quicker i will do it.
 
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Old Mar 13, 2008 | 07:26 PM
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It's fairly easy, just cut the DP, remove the clamp and be patient it will come out.
 
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Old Mar 13, 2008 | 08:12 PM
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cool, i will install it tomorrow afternoon after it gets here, i am sure i will enjoy going back to working on hot rods after that.
 
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Old Mar 13, 2008 | 10:17 PM
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Just installed MBRP 4" turbo back cool duals, cut the down pipe right after it curves up and everything came off easydown pipe is the only part not 4"
 
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Old Mar 13, 2008 | 10:30 PM
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Hey orionife could you take some photos of your MBRP cool duals. I'm thinking of changing my 4" MBRP to the dual system. Does the drivers side pipe fit good? I keep looking under my truck and it doesn't look like there's a lot of room near the fuel tank.
Thanks
 
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Old Mar 14, 2008 | 12:33 AM
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Yes I will, give me a bit and I will have them for you.
 
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Old Mar 14, 2008 | 03:04 PM
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MBRP Inc. "Cool Duals"

orionife,

Glad to hear that everything went well with the install. Enjoy.

bansheemike,

You'll have no issues near the fuel tank on the drivers side. On the Fords we go between the spare tire and the shock.
 
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Old Mar 14, 2008 | 04:39 PM
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Thanks MBRP Tech.
I'm still thinking about the conversion. I got the parts list from you and have a couple of price quotes for the parts. I wish I would have just gone with the duals when I bought the single. Oh well...
 
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Old Mar 14, 2008 | 08:12 PM
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I have the duals too, wicked easy install!
 
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Old Mar 14, 2008 | 08:28 PM
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will the duals clear with the spare and a gooseneck hitch plate under the bed?
 
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Old Mar 14, 2008 | 09:04 PM
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I read on MBRP's web sight they did not recommend using cool duals on trucks with a goose neck hitch.. When i was under my truck putting in my single kit, i noticed it would be very tight if even at all there with clearing my hitch
 
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Old Mar 19, 2008 | 02:13 AM
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Mike
I am sorry I am in the navy and had to go away before I had the chance to take pics, I will call my wife and ask her to take them for me.
 
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Old Mar 19, 2008 | 03:03 AM
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how close is too close to the fuel tank?


I installed the cool duels on my exstended cab 8' bed 4X4 F-350 and I have about 1 1/2 - 2" of clearence at the rear corner of the fuel tank. Fuel tank has a "dent" in it as thought it was molded to allow for this duel exhaust application.




Originally Posted by MBRP Tech
orionife,

Glad to hear that everything went well with the install. Enjoy.

bansheemike,

You'll have no issues near the fuel tank on the drivers side. On the Fords we go between the spare tire and the shock.
 
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