Full Tilt Manifold #5449. Replaces OEM #146-9445. Full Tilt's first and still most popular Cat manifold. Generally fits Peterbilt and Kenworth application. Also will work on some B and C model engines if the port is round and not square. ARP Turbo studs are included.
- Increase Fuel Mileage .2 -.3 mpg
- Ceramic coating reduces heat and improves air velocity
- Lower manifold temps 300*F
- Lower EGT’s 80-100*F
- Reduce turbo lag
- No cracking, leaking or warping
- Improves gasket life
- 3-year Warranty
