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5.3 exhaust sound after cam and headers

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Uploaded by on Aug 7, 2010

2007 GMC Sierra 5.3 with Thunder Racing Cheatr V.3 cam, Dynatech LT headers, Gibson catback, K&N CAI, and Dyno tuned with EFI Live.

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Autos & Vehicles

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Uploader Comments (SierraLY5)

  • @brad9899999, I can tell you that the tires dont like wet clay, they are not very good at self cleaning.

  • The tires are 275/55/r20

  • @jmecrg, I used factory GM LS7 lifters.

  • Why cam a new truck? That's a good question. Why do anything out of the ordinary? I suppose the only reason is because I want to.

  • The tires are Cooper Zeon LTZs, they have great dry road traction ( as long as you don't expect drag radial traction), excellent wet road traction, good ice and snow traction ( just took the truck on a ski trip to West Virginia), a slight bit of road noise at high way speed. Overall I like them and I will continue to get them but I will be getting another set of wheels and street performance tires for summer so I don't destroy these by spinning them all the time.

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All Comments (23)

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  • sounds good man!

  • very nice sounding truck. Any numbers on hp/tq. thanks

  • sounds damn good man

  • F U C K I N G B E A S T

  • i have a 99 5.3 and i wanna cam it and throw some higher flow heads on too what and where did you get your cam through? love the sound

  • @SierraLY5 What size Coopers do you have in this video? 275/55/20?

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