3 Routes to Better Breathing by ThunderMax

Waiting to Exhale

Intake and exhaust parts are some of the quickest and easiest ways squeeze more power out of your V-Twin. They generally bolt on and if you choose wisely, they work together to send more grunt to the back wheel. Companies like ThunderMax know this all to well and design their parts with just that in mind. Take a look.

thundermax air cleaner
Ballistic Hi-Flow Air Cleaner Kits $325.99-$439

The ThunderMax Ballistic Air Cleaner adds horsepower, torque, and style to your EFI Harley-Davidson. The one piece filter with top pleat design allows for maximum air flow to your engine. The center mount design gives a clean look and a lot of attitude to your bike. The design adds more pleats and more surface area to the filter.
thundermax air cleaner
Ballistic Covert Hi-Flow Air Cleaner Kits for 2008-2013 Harley-Davidsons $129.95

Retain the stock look of your bike while adding horsepower and torque. The all new Ballistic Covert uses the OEM breather cover and OEM mounting bracket. The pre-oiled, washable cotton filter element is designed for optimum airflow and debris filtration. The Ballistic Covert kit includes, billet aluminum backing plate, cotton hi-flow filter element, breather bolt housings, backing plate bolts, and cover mounting bracket bolts.
Exhaust Matched Series (XMS) $499.00

The ThunderMax Exhaust Matched Series (XMS) was developed for Touring models with basic, stage-1 upgrades including a hi-flow air cleaner and an exhaust system. The ThunderMax XMS uses the factory narrow-band sensors to provide constant auto-tuning and performance to your Harley-Davidson. The simple “plug and play” design makes installation a breeze. The XMS is upgradeable to a full, wide-band performance Thundermax system at any time. The XMS has a huge base map library that includes some of the most popular exhaust systems on the market today. Samson, Rinehart Racing, D&D, Bassani, Misfit Industries, Covington’s Customs, and many more being added to the library all the time.


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(615) 672-8811


120 Industrial Dr

White House, Tennessee 37188

ABOUT ThunderMax®

ThunderMax is a closed-loop system with proprietary AutoTune Technology that utilizes a high resolution Alpha/N-based system and wide-band oxygen sensors in order to provide the most versatile and precision tuning available. The factory ECM is completely and cleanly replaced with the ThunderMax utilizing the original location and connection to the H-D harness. Increased throttle response and "seat of the pants" torque coupled with a smoother, cooler running engine gives the rider utmost satisfaction of performance and rideability.   
Available for 2001 to 2015 Delphi EFI based H-D motorcycles including Throttle-by-Wire models as well as 1997-2001 Magnetti-Marelli based H-D motorcycles.