Buy Hypertech 121121 Street Runner Power Chip for 1991 C15/25 350 TBI AutoHypertech 121121 Street Runner Power Chip for 1991 C15/25 350 TBI Auto Product Description:
- Must run premium fuel
- Plug in and go, no wiring or soldering required
- 50-state street legal
- Use with stock temperature thermostat
- Allows the vehicle's top speed to be matched to the speed rating of high-performance tires
Product Description
Hypertech Power Chips are direct replacements for the stock chips in 1981-1995 GM vehicles. The Power Chip contains the Hypertech Power Tuning data that controls the engine's air/fuel ratio and spark advance for maximum power and performance, plus potential gas mileage improvements. Power Chips can be easily installed, using only hand tools. Street Runner Power Chips are designed for daily street driving or competition in unmodified vehicles using a stock thermostat.
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BO$$
By steve
My truck is 15x faster than before. im getting 8 mpg better than i used to. 0-60 is also faster
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