hello everyone ...
guys i get some money around 3500-4000$
my car is completely stock just replace the catylic converts with a custom straight pipes
so my question is what best mod to do with this money ???
1) this Kelleners Engine Upgrade Kit (Racing Camshafts, ECU Software) for the BMW M5 (e39) | BeastPower Motorsports
or SS headers with x pipe and straight clean pipes for cats Exhaust components Front pipes R.- L.(Replaces kat) - cod: 786812 ??????
guys i get some money around 3500-4000$
my car is completely stock just replace the catylic converts with a custom straight pipes
so my question is what best mod to do with this money ???
1) this Kelleners Engine Upgrade Kit (Racing Camshafts, ECU Software) for the BMW M5 (e39) | BeastPower Motorsports
or SS headers with x pipe and straight clean pipes for cats Exhaust components Front pipes R.- L.(Replaces kat) - cod: 786812 ??????