Injen 16-18 Ford Focus RS 3in Cat-Back Stainless Steel Exhaust - SES9004Find parts that fit my vehicle

Dual Black-Chrome Exhaust Tips: Dual 4"black chrome exhaust tips are the finishing touch on this beautiful exhaust system. The tips bolt-on for easy adjustments and provide a visual punch that will set your Focus RS apart for the pack!

Exhaust Valve bypass module included: Injen Technology decided to bypass the factory exhaust valve and provides a custom exhaust valve bypass module (P/N 2002) with every Injen Focus RS exhaust system. This allow you to enjoy that rich, crisp sound of your RS whenever you want and without fear of your valve sticking open or closed when you least expect it.

OE Style Fitment: OE-Style exhaust hangers are used throughout that utilize the OE hanger bushing that came with your Focus RS. This allows the system to install and flex like the factory system during high-stress situations without any damage. A true hassle-free installation with no cutting required.

Dyno Proven: Plain and simple, NUMBERS talk! We put in the time to test and prove that we have developed a superior exhaust system for your Focus RS. After hours of designing and dyno testing, Injen is proud to say that the SES9004 cat-back exhaust system puts down numbers of up to 16 additional horsepower and 14 lb-ft. of torque. Engineered and manufactured at the Injen Technology headquarters in Pomona, Ca.

Exhaust systems are a great way to enhance the looks, sounds, and performance of your vehicle.

Replacing the OEM catback on your car is one of the first modifications we recommend to any new car enthusiast. Replacing the OEM catback with an aftermarket exhaust system is a great way to increase horsepower, style, and the sound of your car.

In 1988, a young entrepreneur named Ron Delgado was working late into the evening trying to find a better way to polish products for his family job shop business. At the time, most machines only polished along flat surfaces. But when Ron had the idea for a multi-axis machine which could polish better and faster than anything he had used before - he was determined to make it a reality.

What began as a mission to perfect the art of polishing soon grew into a full-fledged quest to develop industry-changing design and manufacturing solutions. And, in 1991 as the demand for high-quality aftermarket air induction products began to reach scale Ron knew he had found an opportunity to make his mark on an industry he loved.

Launching Injen with a pioneering patent that allowed enthusiasts to achieve better performance from their vehicles without annoying Check Engine Lights CELs Ron and his team have never waivered from their commitment to innovate and deliver products that solve for the increasingly complex nature of vehicles brought to market.

Nearly three decades later with several more patents developed and applied to several thousand new products - the Injen brand has become a household name among enthusiasts who demand high quality, dyno-proven solutions for their vehicles.

As we continue to grow expanding into new market segments and to further regions of the world the Injen team holds steadfast to the vision of our founder with innovation that transforms the look and performance of your vehicle.

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov