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or removal of the PCM itself
Up to 50 Degree Horizontal Spread
For the ultimate combination of on-the-fly adjustable performance and digital monitoring
Fits Holley Model 4165™ and Model 4175™
See switch options and features below
Dual Split Exhaust System 301983 or removal of the PCMFor the enthusiast who wants an awesome look and aggressive throaty sound this Dual Split Cat back exhaust is for you. Gibson Exhaust Systems decrease backpressure and produce more torque and increased horsepower. Typical gains average of 15 20 horsepower. Stainless dual Tip exit straight out the back. Works with most bumpers, roll pans and trailer hitches. Exhaust sound is louder under towing conditions. Hassle Free bolt on installation. No welding
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