2023 Cadillac CT4 V Performance Parts

Headquartered in Los Angeles, California, USA. R1 Concepts is the leading manufacturer and retailer of award winning automotive braking systems. With over 20 years of automotive brake knowledge, R1 Concepts has developed one of the most comprehensive brake catalog in the industry for all...

Headquartered in Los Angeles, California, USA. R1 Concepts is the leading manufacturer and retailer of award winning automotive braking systems. With over 20 years of automotive brake knowledge, R1 Concepts has developed one of the most comprehensive brake catalog in the industry for all...

Headquartered in Los Angeles, California, USA. R1 Concepts is the leading manufacturer and retailer of award winning automotive braking systems. With over 20 years of automotive brake knowledge, R1 Concepts has developed one of the most comprehensive brake catalog in the industry for all...

Headquartered in Los Angeles, California, USA. R1 Concepts is the leading manufacturer and retailer of award winning automotive braking systems. With over 20 years of automotive brake knowledge, R1 Concepts has developed one of the most comprehensive brake catalog in the industry for all...

R1 Concepts Semi-Metallic Series Brake Pads are specifically designed for colder climates and provide one of the best entry-level brake pads for most vehicles. Semi-metallic brake pads are composed primarily of resin and 30 to 65 percent metal, creating a strong, secure amalgam that...

PedalMonster is the only OBD-connected torque response controller for gas and diesel vehicles. It’s tuned to eliminate factory throttle delay, instantly making your vehicle more fun to drive. Designed and manufactured in California, our patented PedalMonster fixes dangerous flaws found in every other throttle...