Busted Knuckle Fabrication LLC

08/09/2026

13-18 kit ready for install

08/09/2026

13-18 kit ready for install

04/29/2026

T-4 Steed speed manifolds and valve covers in stock get them while they last!!
swap

04/05/2026

03-09 high mount charge pipes fresh off the press.

03/18/2026

Coolant bypass thermostat housing option with hose now available! For truck years 03-18

03/18/2026

Now offering coolant bypass thermostat housing and hose options. Available for truck years 03-18. Shout out to Powder Coat Junction for the awesome coating

03/16/2026

Shout out to Powder Coat Junction for another awesome job!

01/29/2026

New website is live go check it out!

Custom Fabrication business for performance and racing applications.

01/17/2026

10-18 cummins single radiator coolant pipes will be available on the website shortly!

12/27/2025

Now offering on the website high mount piping kits
This kit includes just the piping and spacer.

Items included:

3” charge pipe with clamps and couplings
4” down pipe with heat wrap, clamps, and reducer
5” air intake with high flow filter and coupling
1/2” t-4 turbo spacer

Items sold separately: turbo, manifold, coolant re-route, oil feed and drain, turbo blaket, etc.