Sorry for the inconvenience! We are having issues with our phone system. Though we are receiving most inbound calls, sometimes our phone system may not answer. We hope to have the system back at full capacity on Wednesday, October 5th. If you are having trouble reaching us during our business hours or would like to setup a call back, please e-mail us at Please make sure to include your phone number. We will call you back promptly!

Make your plans for the
Monster Muscle Car weekend
event in St. Louis, Oct 1 & 2
Ride along with the
fastest Challenger at the Charlotte Optima USCA race.

Watch the Arrington Performance Intro    

Popular and Easy HEMI Mods

Just getting started? These categories are the "getting started" list for modifying your modern HEMI engine. Some are appearance oriented and some are for performance. There is something for every HEMI owner here. 
Catch Cans
Dress up your engine bay and keep crankcase blow by gas from reentering your intake air stream, intake and throttle body by adding a catch can to your PCV system. 
Strut Braces
Add quick style to your Charger or Challenger with a one hour appearance makeover. 
Throttle Bodies
Crisper throttle response and added horsepower are a bolt on throttle body away. 
Cold Air Intakes
The fastest 15 horsepower mod you can make. Let your HEMI breathe with a new cold air intake. 
A handheld tuner can be added in fifteen minutes and optimize performance for mods you have already completed or a higher grade of fuel.  
Hood Pin Kits
Small-scale body updates can give your ride a completely different personality.