cutouts on duals with mufflers

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Jan 31, 2008 | 08:08 PM

3.8redbird

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From: Corpus Christi Texas

cutouts on duals with mufflers

Would i get horsepower gains if i had true duals each with mufflers at the rear and added e cutouts before the x pipe?

Jan 31, 2008 | 09:15 PM

RedRallyeZ

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From: Sugartit, South Carolina

i would say no, cutouts are usually worthless on a true dual setup. it already flows very good and already is pretty loud. cutouts make their gain when they bypass a weak flowing catback setup i.e., my flowmaster. cutouts on duals are just kinda a waist

Jan 31, 2008 | 09:21 PM

3.8redbird

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But my thoughts were if i muffled the duals then it would restrict some wouldnt it?
therefore cutouts wout bypass the mufflers therefore lil more free

Jan 31, 2008 | 09:57 PM

mchdg86

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On my set up I gained a tenth and 1 mph with cut outs on the end of the headers. I'll see exactly how much they are worth on Monday hopfully.

Jan 31, 2008 | 10:21 PM

3.8redbird

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sounding like the idea is crap unless i want to make some monster noise

Jan 31, 2008 | 10:30 PM

RedRallyeZ

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From: Sugartit, South Carolina

its just that td's flow much better than a catback initially, so theres not much to bypass, most of the mufflers that people put on td's are REALLY free flowing. just get custom made duals and be happy with what youve got. they will sound really good anyway.

Jan 31, 2008 | 10:36 PM

3.8redbird

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lol alright
custom fab should be fun

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Jan 31, 2008 | 10:53 PM

3.8redbird

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LS1crazy how much was the gain?

Jan 31, 2008 | 11:01 PM

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LS1crazy01

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Seat of the pants just a couple of ponys up top after 5K rpm. Never ran it at the track or dynod it with open headers though. Thats why I think it would b better if you put them befor the mufflers but thats still alot of money. Theres a place that sells an x pipe that has manual cut outs already on that you open with wing nuts. But other wise your talking like 700$ for electric ones for a couple of horses. Not worth it imo.