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These mufflers are the choice for builds producing 950+ hp where every pound of backpressure robs measurable power
proven pedigree
and a standard two-wire plug connector compatible with the stock GM harness
This exhaust system from Atech Motorsports (SYSTEM) is engineered as a full replacement for the factory exhaust on diesel-powered trucks and motorhomes
and adjust
COMPUTER CHIP THERMO MASTER Throwout Bearings These mufflers are the choiceThe COMPUTER CHIP THERMO MASTER (ref 8994) from Hypertech is a direct replacement EPROM chip that reprograms your vehicle's ECM with optimized calibration data. Unlike piggyback modules, this tuner replaces the factory chip inside your ECU to deliver permanent, precision tuned fuel and spark maps. Designed for a wide range of GM, Ford, and Chrysler vehicles with OBD I and early OBD II ECUs, the ThermoMaster unlocks horsepower and torque that the
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