Price listed is for MAX level full porting and enlarging the whole runner tube on a pair of TPI runners to 39mm inner diameter all existing dents will also be removed with this process. This is the best and only option if you want to retain the stock look of the original TPI runners while gaining power

This port job will outflow most all aftermarket cast runners as a 39mm ball passes through each runner with ease, with most aftermarket cast runners the cast isn't consistent throughout they also have large blockages for the mounting bolts cast into them shown in the final pictures of a pair of popular cast runners where even 36mm will not pass through them

Stock TPI individual runner flow 197cfm

Ported Stock runner flow 270+cfm

 

We also port the stock TPI plenums for additional flow and an additional 10ft lb. torque and horsepower, aftermarket runners, and the base for an additional 25ft. lb. of torque and horsepower see links below

Send your stock TPI runners and you will receive the SAME pair back

Runner port work takes 4-5 business days to complete from the time I receive it

Can also port my own set and ship out for those that want no down time or want to keep there originals contact for more info

Don't settle for other backyard imitation or youtube porters this service is a FULL tube enlargement ask to see a 39mm ball fly through there runner