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josue
Reviewed in the United States on October 28, 2015
Good product for my 2001 Silverado 5.3 they were a inch an a half longer than the stock ones but they do fit looks way better and performance wise it made it accelerate more smoothly
Mike M
Reviewed in the United States on June 5, 2014
I have a 2005 Silverado with a 5.3L engine and needed a set of wires because I burned my #5 wire on my headers. These are the right length and look good in blue. I can say there is zero seat of the pants gain so any HP claims may or may not be true. I did pick up 1mpg on the highway. That was verified on two long trips that I have taken many times.
Jimmy, Making It Work
Reviewed in the United States on November 20, 2014
Fit great, performed flawlessly, good value.
CraigC
Reviewed in the United States on April 12, 2014
These are very well made and easy to install. Also add a bit of color to your engine bay. Work with factory heat shields.
anasynpunk
Reviewed in the United States on October 15, 2013
Fitment is good. Length is perfect and they look good next to my supercharged 5.3. This is my second set of JBA wires after having nothing but a good experience with their headers...
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