Cheapest way to add on HP and Torque?
What's the easiest and cheapest way to add HP and Torque?
I know a few things to consider are: aFe Intake, Exhaust high flow cats, ECU Software Mod, Pulleys...
Are there anymore mods, keeping the cost down? I want to avoid an ESS kit if I could, my wallet wouldn't like that lol
08' M3 Coupe AW | Coded | BPM Stage II Tune | ZCP Wheels | Performance Steering Wheel | MS Air Filter | ACM Track Pipes + Exhaust
CF Roof | CF Spoiler | CF GTS 2-Piece Front Lip | CF Mirrors | CF Diffuser
LCI Tail lights | Matte Black Kidney Grills | IND Reflectors | H&R Springs | 15mm/15mm MS Spacers | LUX v3