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06-23-2008, 11:46 PM #1
- Join Date
- May 2008
Exhaust help - True Dual Exhaust Possible???
I went to the muffler shop where i got my exhaust done originaly and i liked there work so i asked him how much it would cost to put true duals and an H pipe and he said he couldnt do it without throwin the sensors, but my buddy did it on a truck the same as mine and it didnt. Has anybody done this and did it throw the sensors? Also would an h pipe or an x pipe be better for tourqe?
Im tryin to get it as loud as i can without removing the cats.
Please help with any of the questions.
Last edited by Steve; 08-10-2010 at 11:39 AM. Reason: better title1999 Chevy Silverado Z71, single cab short bed
5.3, K&N cold air intake, Diablo sport predator,
33" mastercraft mudders, 145,000 miles,
2.5"true duals, 3'' slash cut tips
06-24-2008, 08:55 AM #2
i dont see why it would through a code by doing that, but who know these days. I would think as lonk as it was after the cats it wouldnt make a difference, but also unless you plan on getting long tube headers and high flow cats i dont think it would be a big difference or worth the cost.99 K1500 Suburban LT "THE BEAST"
Hypertech III, K&N, true dual
06-24-2008, 01:24 PM #3
First, try a different exhaust shop. As long as the exhaust is done after the cats, (ie. cat-back system), there won't be any issues with sensors or throwing codes. I'd also consider ditching the "true duals" route. Just have 'em create a Y after the muffler and you're good to go!
2009 GMC Sierra Denali AWD
06-25-2008, 11:27 AM #4
yeah if you are just doing a cat- back the just a single in dual out is gonna work better, unless you are starting at the motor and replacing it all putting a dual in and out would loose to much backpressure as it didnt come that way from the factory
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