RRM 4B12 Header 09+

The Road///Race 4B12 header is dyno tuned for max overall performance. This header is a direct bolt on for all 2.4L 2009 and 2010 Lancer GTS. The piece is tig welded and ceramic coated and comes as a two piece header plus downpipe. we went with this design to ensure maximum flow and it will flex at the proper point just like the OEM header. It is proven to increase power 8+hp and 8+lb of torque on the dyno. It is made to give u an overall power gain not just peak hp numbers. This header only fits 2.4L motors. Fits Sedan and Sportback.

Link to Dyno sheet

PLEASE CALL WITH ANY QUESTIONS ON THE ABOVE INFORMATION!