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Arrington Performance    

HEMI Bolt On Performance Parts

Bolt on increased horsepower and torque without invasive modifications to your HEMI engine with simple upgrades that increase the horsepower of your engine in as little as fifteen minutes and provide reliable power. Try out an API signature throttle body and cold air intake combination or upgrade the exhaust system to unleash the HEMI's classic muscle car sound. 
Bolt On Performance Packs
These Packages are designed to provide you with added performance and value. We have grouped some of our best selling HEMI bolt-ons to save you money and shipping.  
Air Intake System
Bolt on instant horsepower and improved throttle response by modifying your HEMI's air intake system. Cold air intakes and throttle bodies are the most popular and simplest mods to add power to your HEMI. 
Exhaust System
Modifying your exhaust system provides improved exhaust flow and performance in addition to enhancing the HEMI engine's unique classic muscle car sound.