The EVO R series draws on our rich heritage of making power. Offered for various off road MX and sport ATV models, the EVO R is a tried-and-true series that will save weight, add noticeable performance gains and sound tremendously better than stock.

The Big Guns TFI (Throttle and Fuel Injection) Power Box delivers an effortless performance boost by optimizing throttle mapping and fuel delivery. Simple to install and tuned for broad compatibility, this plug-and-play module sharpens throttle response,...

EVO M series has been a Big Gun staple for over a decade. Though there have been changes and improvements over the years, the goal has always been to produce noticeable performance gains. The deep and throaty tone is sure to make even a grown man feel...

EVO M series has been a Big Gun staple for over a decade. Though there have been changes and improvements over the years, the goal has always been to produce noticeable performance gains. The deep and throaty tone is sure to make even a grown man feel...

Vance & Hines HD Softail Fat Bob 18-22 Upsweep SS 2-1 PCX Full System Exhaust

Unleash your motorcycle's true identity as a hell-raising fun machine with the sharp, clean lines of the Vance & Hines Shortshots Staggered exhaust. Featuring our innovative PCX™ Technology with chambered high-flow catalysts, you'll feel the pull right...

Packing is one of the most important elements of your exhaust. All Big Gun™ mufflers are packing-style mufflers, which means they eventually require maintenance. Ensuring you have an appropriate amount of packing will prolong the life of the exhaust.

EVO M series has been a Big Gun staple for over a decade. Though there have been changes and improvements over the years, the goal has always been to produce noticeable performance gains. The deep and throaty tone is sure to make even a grown man feel...

Packing is one of the most important elements of your Big Gun exhaust. Since all Big Gun mufflers are packing-style mufflers that contain packing material within them, they eventually require maintenance. Ensuring you have as full a muffler as possible...

The Vance & Hines Pro Pipe is the ultimate in performance for your Harley-Davidson® Big Twin, period. With over twenty years of evolution the Pro Pipe has all the ingredients for making power; stepped headers, an oversized collector and long megaphone...

The Vance & Hines Pro Pipe is the ultimate in performance for your Harley-Davidson® Big Twin, period. With over twenty years of evolution the Pro Pipe has all the ingredients for making power; stepped headers, an oversized collector and long megaphone...

The Vance & Hines Pro Pipe is the ultimate in performance for your Harley-Davidson® Big Twin, period. With over twenty years of evolution the Pro Pipe has all the ingredients for making power; stepped headers, an oversized collector and long megaphone...