ECS Tuning Red R8 Ignition Coil Packs x5 Audi RS3 8P / RS3 8V 367HP / TTRS 8J
Audi RS3 8V Pre-Facelift 367Hp. Audi TT RS 8J MK2. Audi RS3 8P. Does your engine have a misfire code with a check engine light?. If the spark is weak or nonexistent, power will decrease as your engine is misfiring or not utilizing a cylinder.