I had a 07-08 Boarzilla retro fitted for my 2010 Ultra.Dave had to tap pipe & relocate the oxygen sensors.It came out great.The oxygen sensors go into the pipe near the tranny!!!
There is no replacement for displacement!!!!
2010 Ultra Classic Hot Rod Built & Tuned by JD's
BB & Baisley Hybrid Heads with man/Comp releases
Axtell Pistons & Cylinders set with high comp,Big CCP
Darkhorse Stroker Crank,balanced,plugged & welded
Woods A/C kit & Lifters
T-Man gear crank set
High Flow HPI Inj & BB TBW Throttle body
D&D Boarzilla (perforated baffle)
Lenale cooling fan
Jagg 10 row oil cooler
K&P engineering oil filter
To much more to list!!!!!!