Porterfield Brake Pads for 2016 CADILLAC ATS w/ Brembo Front Calipers Compound:R4-1 Replace the restrictive factory muffler

Replace the restrictive factory muffler with FactionFab's high-flow

smooth mandrel bends

this coilover kit allows drivers to fine-tune suspension performance for street or spirited driving

Yes — this filter mounts directly into the factory air box

They’re perfect for casual wear and paddock style

Porterfield Brake Pads for 2016 CADILLAC ATS w/ Brembo Front Calipers Compound:R4-1 Replace the restrictive factory mufflerPorterfield Brake Pads for 2016 CADILLAC ATS w Brembo Front Calipers Porterfield R4 Porterfield R4 Carbon Kevlar based brake pads were fully designed for heavy duty extreme motorsports use. Its one of the the few true motorsports competition pads available on the market today. The carbon based semi metallic R4 brake material allows the brake pad to absorb huge amounts of heat and dissipate it quickly and evenly over time. The Carbon Kevlar material