2008 silverado 5.3l no muffler take off but still has cats ta

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Uploaded by on Aug 7, 2009

2008 silverado 5.3l no muffler but still has cats superchip 2950 cortex

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Autos & Vehicles

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Uploader Comments (drewndem110907)

  • hey man, does your truck burn out before/after the program?

  • Both, it seems it burns out easier without the program in but I always ran it on performance and it will burn out its just a little harder to and there is alot more power thro the gears, but it depends on what type of asphalt im on too, and I have 285-70-17 bfg km2 which is probably why its hard to get the tires to spin

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  • @kevin6244 it would probly be the ly5

  • Did the program change the sound of the exhaust?

  • does the exhaust sound any different with the program on?

  • dang this truck sounds great! is the LM7 or L33 engine?

  • awesome sounds familiatr

  • love the flowmasters on that FedEx van!!

  • I need to get a chip for my silverado. I have the 5.3 in mine, and I can not power brake the truck. These silverado's have a safety thing, plus "torque management" The safety feature will power down the truck if you hpld the brake and the gas pedal down at the same time, plus the torque management prevent's you from destroying your tranny from doing stuff like that. I think it just plain sucks. Oh well, just have to fix that with a chip!

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