Borla 2015 BMW M3/M4 3in Downpipe Carbon Fiber Featuring H&R's exclusive dynamic damper

Featuring H&R's exclusive dynamic damper technology

as well as offer improved aerodynamics

and increased lateral stability – improved handling

H&R Sway Bars are crafted from a special 50CrV4 steel alloy –– the highest tensile strength available and the industry’s strongest and most durable

a significant breakthrough in suspension technology

Borla 2015 BMW M3/M4 3in Downpipe Carbon Fiber Featuring H&R's exclusive dynamic damperThe BORLA sound of power. Its been described as asonic shot of adrenaline. An intoxicating concert ofsteel, gears and combustion that echoes from thespeedways, deserts and highways of the world. The sound of more victory laps than any otherbrand, the BORLA exhaust note has become the quintessentioal soundtrack of high performance motoring. And like all good automotive designs there is function behing the form. As any driving enthusiast knows, the