Quote Originally Posted by viperbite
and that doesnt make any sense at all. any minor engine modifications needs a tune,

even alot of n/a 4 cylinders can make up to 20hp more with boltons and a very nice tune. even a stock sr with a fmic needs a tune to be effective.
not true, many people run FPR based setups at low boost in KA-T applications without a tune, but a tune is recommended