SKU: SES9004 | UPC: 843115027247
Transform the sound and power of your 2016-2018 Ford Focus RS with the Injen SES9004 3-inch cat-back exhaust system crafted from T304 stainless steel. This direct-fit system adds up to 16 horsepower and 14 lb-ft of torque while delivering a deep aggressive tone. Engineered for seamless installation using factory hangers it bolts on without cutting or modifications.
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2016-2018 | Ford | Focus | RS |
Shop catback exhaust systems at Black Ops Auto Works for cat-back exhaust kits, performance exhaust systems, stainless steel exhausts, titanium exhausts, dual rear exit exhausts, track exhausts, touring exhausts, axle-back exhausts, and street performance exhaust upgrades. This collection is built for drivers who want deeper sound, improved exhaust flow, better throttle response, aggressive rear-end styling, and vehicle-specific bolt-on fitment. Use this Catback collection to choose the right exhaust system by vehicle platform, brand, material, sound level, tip finish, and driving goal. A catback exhaust can help improve sound, reduce exhaust restriction, support performance upgrades, and give your car, truck, SUV, Jeep, or performance build a cleaner, more aggressive look. Shop Catback Exhaust Systems by Brand Black Ops Auto Works carries catback exhaust systems from trusted performance brands including Borla, CORSA Performance, MagnaFlow, MBRP, AWE Tuning, Invidia, Solo Performanc...
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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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At Black Ops Auto Works, we stock the complete lineup of Injen performance air intakes and exhaust systems dyno-proven for maximum horsepower, torque gains, and throttle response with a signature deep intake tone. Explore top-selling Injen Evolution sealed cold air intakes, SP Series polished intakes, SuperNano-Web dry filters, and cat-back exhausts featuring mandrel-bent tubing and high-flow mufflers for trucks, SUVs, muscle cars, and imports all CARB-approved where applicable with lifetime warranties. Injen Intake for Jeep Grand Cherokee – HEMI Power Unleashed Grand Cherokee owners choose the Injen Power-Flow cold air intake for increased airflow, cooler charge temps, and an aggressive engine sound on 5.7L V8 builds. Aluminum intake tube with massive filter Dyno-proven gains and improved throttle response Easy bolt-on with no tuning required Shop Popular Injen Intake for Jeep Grand Cherokee Injen Intake for Dodge Durango – V8 Muscle Upgrade Dodge Durango drivers upgrade to Inje...
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