However, the game-changer is the "Custom" aspect.
But if you have spent late nights in the garage building a stroker motor, if you have a collector car with an irreplaceable block, or if you race competitively where a DNF costs you a championship— xam jenny custom oil
A: Only if you order the "Street" custom blend. The "Race" blend contains high ZDDP which will poison a catalytic converter over time. Be honest with XAM about your emission equipment. However, the game-changer is the "Custom" aspect