The Stainless Works 2‑1/2" rod‑builder slip‑fit kit offers CNC mandrel‑bent 304 stainless tubing with one expanded end on each tube for slip‑fit assembly. Tubing measures 2‑1/2" diameter with a .049" wall and the kit includes four 4' straight tubes and four each of 45°, 90° and 180° bends. The manufacturer recommends 308L welding rod and markets the kit as USA made.
Stainless Works 2 1/2in Rod Builder Exhaust (Slip Fit Kit)