Bilstein B4 Mercedes-Benz W211 4WD Lim. Rear Monotube Shock Absorber 2020-hyundai-veloster-turbo-r-spec-esi8095738 The muffler features BORLA(r)'s Polyphonic

The muffler features BORLA(r)'s Polyphonic Harmonizer Technology that utilizes patented units that contain pipes of different diameters and lengths to create multiple exhaust notes that harmonize to deliver a clean

This Axle-Back system includes both AFM and NPP valves

Front muffler/ resonator contains an internal H-Pipe for increased performance and improved performance

Replace the small muffler behind the primary muffler in the Borla(r) "S-Type" system with Polyphonic Harmonizer 60680 to attain the "ATAK(r)" sound level (louder than "S-Type")

Silverado 2500 HD Classic 2007

Bilstein B4 Mercedes-Benz W211 4WD Lim. Rear Monotube Shock Absorber 2020-hyundai-veloster-turbo-r-spec-esi8095738 The muffler features BORLA(r)'s PolyphonicBilstein B4 OE Replacement dampers are specifically engineered to be the best choice for maintaining the original ride quality of your vehicle, while meeting or exceeding OE standards. These dampers are the ideal choice for the driver looking to restore the original performance and handling of their vehicle, with the added benefit of world famous Bilstein quality. Restores original driving comfort, handling and safety High power reserves for maximum