Also, in early days, DSMs went quick with unopened ecus + the "hacks" (like moded MAFS, SAFC, injectors, logger) & 'bolt-ons'
If you can still find the hardware, or equivalent.... like Ecumaster or such. Hella effective
Heavy AWD Stock 2.0 pulled harder than I'd care to in any Mmax. Truck 5spd approves of this message