Vance & Hines manufactured exhaust that is modified to EC regulations with an EC / ABE approved cartridge baffle (all models). This make the Thorcat a 100% legal exhaust system. Streamlined curves, that never seem to end, looks that demand a second glance. Like all Vance & Hines pipes the Big Radius comes with full coverage 2-1/2" diameter plasma cut heat shields that preserve the 'new' look and will virtually eliminate visible blueing Note: Euro 1-2 certified exhaust comes with EC / ABE approved non-removable cartridge baffle.