Hey guys, I have a 2018 Kia stinger GT. Injen intakes, Add W1 blow off valves, denso spark plugs, and LR3 coils. Before I had the mods my car was misfiring, and now after the mods it’s still missfiring.
Do I need to tune my car? Change blowoff valves?
Do I need to tune my car? Change blowoff valves?