Diamond Eye Performance
Diamond Eye Performance manufactures mandrel-bent exhaust systems and components for diesel trucks, with a catalog that spans DPF-back, turbo-back, and cat-back exhaust for Cummins, Duramax, and Power Stroke platforms. CNC mandrel bending maintains full internal tube diameter through bends from 3/8-inch to 5-inch OD in both aluminized and stainless steel, ensuring exhaust gas flow is not restricted by collapsed bends common in lesser exhaust systems.Popular UpgradesDiamond Eye 4-inch DPF-back exhaust systems for the Cummins 6.7L and Duramax 6.6L diesel trucks are the most popular products, providing a meaningful reduction in exhaust restriction over the factory 3.5-inch outlet section. Stainless steel mandrel-bent kits are available for the Ram 2500, Ram 3500, Ford Super Duty, and GM HD truck platforms with direct-fit connections and tip options. Aluminized exhaust kits offer the same mandrel-bent quality at a lower price point for builds in drier climates where corrosion is less of...
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DPF Back
DPF-back exhaust systems connect at the outlet of the diesel particulate filter and replace the muffler and tailpipe section to reduce backpressure after the DPF while keeping the emissions equipment intact. This makes DPF-back systems the emissions-legal exhaust upgrade for diesel trucks in areas where removing or bypassing the DPF is prohibited.Popular UpgradesStainless steel DPF-back exhaust systems for the Ram 2500 and 3500 Cummins 6.7L, Ford Super Duty Power Stroke 6.7L, and GM Duramax 6.6L are the most popular diesel truck exhaust upgrades in this category. Mandrel-bent 4-inch DPF-back systems provide a significant reduction in exhaust restriction compared to the factory 3.5-inch outlet, resulting in improved exhaust gas temperature management and modest power improvements. Tip styles including rolled edge, angle cut, and dual outlet tips allow customization of the exhaust appearance to match the truck's styling.What is the difference between a DPF-back and a turbo-back exhaus...
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Exhaust Systems
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...
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