2-1/4" 572-13 Step Headers

2-1/8" O.D. primary tubes steps up to 2-1/4" secondary tubes with 4" 3-bolt collectors

◦ Recommended for 600+ horsepower

◦ Above the steering center link design offers maximum header to ground clearance

◦ One piece header tubes / No slip tubes

◦ "Step" design provides low-end response and top-end horsepower gain

◦ Constructed of 16 gauge mild steel tubing

◦ Mandrel bent on sophisticated computer controlled bending machines for precise fit and uninterrupted exhaust flow. The mandrel bending process maintains a constant inside diameter of the tube for a smoother finish with no restriction of flow and no crimping of the tubes.

◦ 3/8" thick laser-cut header flanges contoured for a leak free fit

◦ 3/8" thick laser-cut 3-bolt collector flanges

◦ Coupled with a TTi Exhaust Systems these headers become even more efficient!

Platforms: 1962-74 B-body & 1970-74 E-body

Engine Size: 440 RB-engines, 413-426 Wedge, Indy-Maxx block