BD Diesel BD Diesel Cast Exhaust Manifold - 07.5-12 Ram

BD Diesel has been building high-performance diesel drivetrain parts since 1972, making them one of the most trusted names in the diesel truck aftermarket. Their lineup covers everything from turbocharger upgrades to exhaust brakes and transmission components, with engineering designed for trucks that work hard pulling trailers, hauling loads, or running down the strip. Popular Upgrades BD Diesel exhaust brakes are among the most popular products in the catalog, giving diesel truck owners dramatically better engine braking on grades and during heavy towing. Their upgraded turbo solutions for Cummins, Duramax, and PowerStroke platforms are also a top seller for owners looking for more boost response and reliability under sustained load. What BD Diesel products are best for towing? For towing applications, BD Diesel exhaust brakes and transmission cooler kits are the most impactful upgrades. The exhaust brake slows the vehicle using backpressure so your service brakes last longer on l...

Black Ops Auto Works carries one of the largest selections of performance exhaust systems available online, with 7,700+ products covering cat-back exhausts, axle-back exhausts, turbo-back systems, downpipes, headers, mid-pipes, X-pipes, H-pipes, mufflers, resonators, catalytic converters, exhaust tips, and every component in between. Whether you're building a street car, a daily driver, a diesel truck, or a track build, the right exhaust upgrade is here. Shop by Exhaust System Type Cat-Back Exhaust Systems: The most popular performance exhaust upgrade. Replaces everything from the catalytic converter back for improved sound, better flow, and premium tip styling. Available in single exit, dual exit, and quad exit configurations. Axle-Back Exhaust Systems: A simpler bolt-on that replaces the rear section from the axle back. Best for drivers who want an improved exhaust note and cleaner tip appearance without a full system swap. Headers and Manifolds: Long tube headers and shorty h...

Performance headers and exhaust manifolds are among the most effective bolt-on upgrades for improving exhaust scavenging, increasing horsepower, and giving your engine a more aggressive exhaust note. Whether you're building a street machine, a track car, or a diesel work truck, the right header or manifold set unlocks real performance gains across the RPM range. Popular Upgrades Top-selling header and manifold products include long-tube headers from BBK and Kooks for V8 muscle cars and trucks, stainless steel shorty headers from Stainless Works for tight engine bay fitments, high-flow cast iron exhaust manifolds for diesel platforms from BD Diesel and ATS Diesel, and turbo manifolds from aFe Power and Invidia for forced-induction builds requiring optimized turbo positioning. What is the difference between long-tube and shorty headers? Long-tube headers route exhaust primaries farther down the chassis before merging at a collector, which improves mid-range and top-end power but requi...