anybody use a SLR motorsports performance chips? claims of 50+ HP 50+tork,
3-6 mpg increase. all specially tuned for each paticular engine. @ 70.00?
how about the cat back exhaust that help or is it just a noise maker?
SLR chip NOT ! it's a joke does nothing. I totaled the vibe last Jan on the ice I miss my GT:>(
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