Over 4.3 million tuners and riders have visited the Factory Pro website - up to 1000 a day - More tuning Tech Info than almost anybody.

"This Tuning Site has been visited by         performance minded people." 


We scheduled our MOVING DATE for the slower part of the year - but slower didn't much appear - so Pardon our  website shipping delay and we will be in and out from Saturday, August 8 until Sunday, August 15.

Our new address will be 101c Roblar, Novato, CA, 94949
same 800 869-0497   and new 415 883-5620


 Enter Sales here

for shop work, call 415 491-5920 to talk to Marc.


Superflare  Billet Velocity Stacks

Vintage Supersport Carb kits

ECU Pro Power flashing
1. 15% rebate on 2nd item purchased on our website.
2. and we will consolidate and rebate 2nd item shipping. (of course, the 2nd item is the least expensive item)

1. Order on website and
2. then, apply for 2nd item Rebate.

Thx, Marc & Team Factory Pro