WARNING:this is just what ive done to my car, and only a recomendation for yourself!
cone air filter-less turbo lag, noticable
added boost-i increased the boost, deffinatley noticeable
ALDA tweak-noticeable
clean filters-always help
bowden cable- get your baby to shift the way u want it to

Witht these tweaks, i can now smoke tires, no lie. Its no rocket, but its definatley quicker.
The eversooften ITALIAN TUNEUP helps to...
-good luck

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82' 300SD