66-74 B Body 70-74 E Body 383 & 400 Big Block 1 7/8 inch Primary - Ceramic Coated Headers By TTI

1-7/8" O.D. tubes with 3" 3-bolt collectors

Recommended for 400-600 horsepower range

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

One piece header tubes / No slip tubes

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!