Predator Pro Line

The original Modern Classic slip on exhaust is back and better than ever before as the Predator Pro performance slip-on mufflers, with all new features to completely revamp the sound, looks, and performance that they’re known for. The Predator Pros are masterfully designed to maximize your Triumph modern classic’s engine performance, and are constructed by hand from quality materials so that they’re built to last. The Predator Pros are available for the Triumph Thruxton 900, Triumph Bonneville T100, Triumph Bonneville Mag Wheel/SE, Triumph Street Twin, Triumph Bonneville T120, and Triumph Thruxton 1200 R.


Sleeper Pro Line

Undercover Performance Muffler

For those looking for the ultimate retro exhaust, the British Customs Sleeper Pros are the answer. The Sleeper Pros feature the true vintage look and sound that gave the original Sleepers their notoriety, but include a number of improvements. Styled to look the part but packing the punch of a free-flowing, fire-breathing exhaust system. The authentic retro sound back and better than ever with the new Sleeper Pro design, too. Best of all, these slip-ons are quick and easy to install. 

GP Exhaust Line

Custom Look, Factory Fit

The GP Exhaust line is the answer for riders seeking for a highly custom look but a clean factory fit. Inspired by classic race bikes and customs from the golden age of exhaust design. Each set of GPs, like every British Customs product, is entirely made in the USA. Made from 100% stainless steel inside and out and rubber mounted for a clean, factory fit. The install in minutes and are ultra-lightweight shaving up to 10 pounds off of your modern classic. 

Slip On Exhaust Tips Line

An inexpensive upgrade to your Triumph Street Twin, Thruxton R, or Bonneville T120 that will make your bike louder, lighter, and custom. British Customs Exhaust Tips are a great way to get a more agressive look on your Triumph while not breaking the bank. The Slash Cut and Drag Performance Tips for Street Twin and Thruxton R are designed to look like our popular full systems while the new Exhaust Tips for Bonneville T120 provide a clean finish to the "saw-off" look. All our Exhaust Tips are made in the USA from the best materials available.