single vs dual exaust - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 5 (permalink) Old 01-15-2008, 01:07 AM Thread Starter
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single vs dual exaust

Anybody have an opinion/recomendation on which is better the turbo back single 4" or the cat back duals? I'm sure there is a egt difference, but how much and is it worth it to go all the way? So far Banks and possibly Magna Flow are the only downpipe back dual set-ups I've found for x-cab lb with the Banks system keeping the kitty.

06 Sierra 2500 4wd lb. Predator, S&B, MBRP duals-no cat, Quadzilla gauges, Allison Jr., Riderite air bags, PPE Tie rod sleeves, egr plate / finger stick. 02 Chevy 3500 8.1L 4wd dump 9' Fisher mm2, sander. 03 Kubota L4630. 80'S or 90's Komatsu pc50. 89 d250 5.9 which may someday go into something.:
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post #2 of 5 (permalink) Old 01-15-2008, 11:17 AM
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IMO, all duals do is make the exhaust neat to look at. Since you're still using one pipe from the engine, theres no real benefit to duals.

Turbo-back will flow better than cat-back, no matter the brand. The cat is still a restriction.

MBRP and Silverline also sell exhausts like that.
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post #3 of 5 (permalink) Old 01-15-2008, 05:02 PM
 
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i just got my MBRP 4in duals and they are turbo back no cat...personally i would go with any MBRP exhaust cuz they are good quality...also it comes with the extension pipe for any cab and bed size
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post #4 of 5 (permalink) Old 01-17-2008, 01:23 AM Thread Starter
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Thanks. I think I'm going with Silverline duals from front to back. No cat. I'd rather buy the MBRP because they are a supporting vendor but it's $200 more for the same thing.

06 Sierra 2500 4wd lb. Predator, S&B, MBRP duals-no cat, Quadzilla gauges, Allison Jr., Riderite air bags, PPE Tie rod sleeves, egr plate / finger stick. 02 Chevy 3500 8.1L 4wd dump 9' Fisher mm2, sander. 03 Kubota L4630. 80'S or 90's Komatsu pc50. 89 d250 5.9 which may someday go into something.:
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post #5 of 5 (permalink) Old 01-17-2008, 10:56 AM
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If you buy your Silverline from Merchant, you're buying it from a S/V, so no "harm" done.
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