The Road///Race 4B11 4-into-1 header system is dyno tested to outperform all comparable header systems on the market. These Headers help your engine maximize its performance by allowing the exhaust gasses to flow more efficiently to gain power and performance. Extensive research and development goes into each system to ensure the best performance for your vehicle. The RRM header is a direct bolt on for all 2.0L 2008 + non PZEV lancers. This header uses your stock doughnut gasket and retains the factory style flex point to eliminate any stress related issues. All Road Race headers are double nickle plated to prevent rust and ensure product longevity. The RRM header is proven to produce 8+ HP and 8+ lb of torque on the dyno and you can expect great overall performance gains not just peak HP numbers. All Road Race products have the performance and quality attributes that you would expect from a company with over 30+ years of knowledge and racing experience.
- Dyno tuned and tested for maximum performance
- Race-inspired 4-into-1 design for maximum performance
- High quality double nickle plated
- Mandrel bent primary tubes for best flow characteristics
- Unique merge collector design ensures smooth exhaust gas flow
- 1/4 inch thick head to prevent warping,leaks and offer long-lasting durability
NOTE : Please check local laws regarding the modification of the exhaust systems by checking the vehicle code for your state. Many states are more stringent on exhaust modification laws and to pass SMOG. Please check your local laws.
Link to Dyno sheet
Please note that this header does NOT fit PZEV cars.We offer a 4B11 header for the FED and PZEV cars. The easiest way to tell is by opening the front passenger door. On the body of the car, there is an ID plate that includes model code and color code among other things. The model codes for the 08 Lancer per the service manual are as follows;
Model Code (last 2 digits)
CY4AS****2M – FED
CY4AS****3M – Canada (Uses FED Header)
CY4AS****7M – PZEV
PLEASE CALL WITH ANY QUESTIONS ON THE ABOVE INFORMATION!
OFF-ROAD AND RACE PURPOSES ONLY
***Special . Feel free to call the shop or email us at firstname.lastname@example.org 562-906-0080***