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6 V8 1977 GMC Jimmy High Sierra 350/5
1980-1987 GMC Jimmy 305 CID
25 Mounting Hardware Included Yes Heat Shield Attached No Inlet Attachment Bolt-On Material Stainless Steel Clamp Included Yes Series California Subtitle California / CARB Compliant Main Piping Diameter 2
8 inch Rear Axle
DiabloSport inTune i3 Platinum w/ PCM Swap - 8323-R data-acquisition-components 6 V8 1977 GMC JimmyOverview: If you are a horsepower junky and you need a fix, look no further. DiabloSport's inTune i3 Performance Programmer is an easy way to boost power without even popping the hood! You get a performance upgrade that makes your throttle more responsive, optimizes drivability, and even adds some bottom end horsepower! The inTune i3 programmer is pre loaded with dyno tested performance programs designed specifically for your car or truck. Within
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