Reviewed By Martin P (McAllen, TX) Reviewed for a 1994 GMC C/K 1500 —1/3/2011 8:45 AM
its an awsome sound.when it starts to whistle you just dont want it to stop well thats just from my point of view.
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Reviewed By Jordan D (Hudson, NC) Reviewed for a 2004 GMC Sierra —6/14/2018 8:06 PM
It took a little bit to install it. The hose coming off the water pump got in the way a bit so it's a tight fit. You might need an extra set of hands. I could definitely tell a difference in responsiveness. Didn't really change the mpg's. But it did what I wanted it to. Definitely worth the 80 bucks.