The most striking customizations you can make to your Triumph Street Twin are to upgrade your Seat, your Exhaust, and to replace the stock turn signals with a low-profile Retro set. Now you can get all of these upgrades in one package with a classic Cafe Racer style.The Street Twin Slammer Seat features a medical-grade comfort gel insert for all-day comfort that belies the rugged appearance. The British Customs Street Twin Performance Tips replace the stock muffler with Cafe Racer style tips that greatly improve the look and sound of any Street Twin. These tips install quickly and easily behind the catalytic converter, which helps open up the deep, resonant note of the engine. The Plug n Play Retro Lighting Kits offer a quick and easy install with low-profile, custom looks.