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I recently got a 2001 chevy 1500 v8 5.3l. Im wanting to have TRUE DUALS put on it

How much am i looking at? with labor and parts etc?
How much does it effect gas mileage...?

One last question, is it more expensive to have the exhaust pipes leave out the side of the truck right infront of the rear wheels?
 

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id say $350-500 installed. Not sure about gas mileage. And I don't think its more expensive to have your pipes like that, but I don't reccomend it as If you want a 4x4 look it makes the truck look lower to the ground for one and for two you get exhaust on your rims. Thats why mine come straight out the back.
 

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There are two problems with the exhaust coming out before the tires. 1- Because of the shape and location of the pipe and hangers, and transmission cross member, exiting on the passenger side will require the exhaust pipe to almost have a "U" in it. 2- exiting on the driver side will require a heat shield for the gas tank. I wouldn't run the pipe on that side without it.
 

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Just put true duals on my 07 NBS. It was right at 400 for parts(2 cherry bomb glasspacks,4x18 chrome tips, plus all the pipe) and labor. Gas mileage depends on if you can keep your foot out of it or not... and I can't it sounds too good!
 

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I've found on this site that price depends on what part of the country you live, what mufflers you use and the quality of the shop itself. I'd run the exhaust past the rear tires/axle either out the back or behind the rear tires. Don't shop just by price, find a quality shop. Most cheaply priced shops don't take the time to do the job right and you end up with the exhaust hitting and rubbing the axle, spare tire or body itself.
 
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