BD Exhaust Manifold Ram 3500/4500/5500 Cab & Chassis 6.7L Cummins 2013-2018 1989-pontiac-firebird-esi6878223 improved thermal stability and extended

improved thermal stability and extended drain intervals (up to 30

P/N 3003 fits factory

Honda/Acura 08798-9038

More power and better bearing protection than castor bean oils

The on-car adjustable design allows for easy adjustments while the control arms remain securely bolted to the vehicle

BD Exhaust Manifold Ram 3500/4500/5500 Cab & Chassis 6.7L Cummins 2013-2018 1989-pontiac-firebird-esi6878223 improved thermal stability and extendedBD's pulse manifold for the RAM Cab & Chassis vehicles is made from thicker walled high silicon ductile iron that is designed to resist thermal warping, plus withstand extreme temperatures and vibration. Engineered with state of the art modelling software to optimize pulse flow for optimal turbo spool and performance. Precision slip joint allow the manifold to expand and contract, which reduces cyclic thermal fatigue and greatly increases manifold