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07.5-10 GM 6.6L LMM Duramax Banks Six-Gun Tuner

Calibrated for sport applications, Six-Gun delivers pavement-shredding power with CleanTune™ technology, which out-performs dirty, smoky tunes; has change-on-the-fly power levels; is Stacked for Power® to tune pulse width, timing and fuel pressure; and has exclusive AutoRate® and ActiveSafety® engine and transmission safeguards. Six-Gun will rocket you from 0-60 mph 22% quicker, and boost your 1/4-mile speed by up to 11%!

All gains measured at the rear wheels, with recommended airflow improvements.

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Tags: GM , 6.6L , LMM , Duramax , Banks , Six , Gun , Tuner , 63887 , 63838