Looking to fix a cracked stock manifold or upgrade your 6.7L Cummins? This USA-made performance manifold for 2019–2024 Ram 2500/3500 trucks is engineered for better flow, lower EGTs, and longer life. Designed to replace the restrictive factory manifold, Diesel Power Source's 6.7L manifold delivers better throttle response, quicker turbo spool, and more power—without tuning. ✅ Thicker walls to resist cracking ✅ Flows over 75% better than the OEM Exhaust Manifold ✅ High-temp coated for durability