Blessed Performance for the Wehrli Duramax S500/S400 Twin Turbo Kit. Take your Duramax to the next level with the twin turbo set up that only trailblazers choose to install.
MUST CALL 1-800-577-2698 FOR Availability: Built to order. Please allow an additional 20 business days lead time on top of standard lead times.
- This set up is for RACING Apps only
VERY NOT AVAILABLE AT ALL IN THE STATE OF CALIFORNIA!