tightfd

Id like any opinions on the chip upgrades for the s4 Im leaning twoards the abt chip?? also where is a abt dealer in the sf bay area??

conorl336

I would sugjest the giac X-chip its what i have and it works wonders on the car so far.

andrec

Griffin Motorwerke in Berkeley is an authorized MTM dealer. Might want to call them if you're interested in finding out about MTM products. Terry Griffin is the owner and is very knowledgeable.

Good Luck,

Andre