4-1 vs 4-2-1 EL headers - which is best?
Yesterday we finally got around to testing the Sydney Motorsport Engineering 4-2-1 race header which has been developed for the 2.4L cars, on our 2L Prod Touring race car.
Yesterday we finally got around to testing the Sydney Motorsport Engineering 4-2-1 race header which has been developed for the 2.4L cars, on our 2L Prod Touring race car.