ATS Diesel 07.5-18 6.7L Cummins 2Pc Holset Pulse Flow Exhaust Manifold w/ Flange Hardware

ATS Diesel Performance is a family-owned manufacturer specializing in heavy-duty upgrades for diesel-powered pickup trucks. Every component is designed, engineered, and built in-house to handle the demands of towing, hauling, and high-horsepower builds on Cummins, Duramax, and Powerstroke platforms.Popular UpgradesATS transmission upgrade kits are a top choice for owners who tow heavy loads or run modified engines that exceed stock transmission limits. Their exhaust manifolds improve exhaust flow and turbo spool for stronger mid-range power, while the turbocharger lineup covers both drop-in replacements and compound twin-turbo setups. Advanced electronics including boost controllers and transmission monitoring systems help keep your build reliable under load.Will ATS Diesel parts void my truck's warranty?ATS builds components to OEM-or-better standards, but adding any aftermarket performance part can affect warranty coverage depending on your dealership and specific claim. The Magnu...

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...