Injen 16-18 Ford Focus RS 3in Cat-Back Stainless Steel Exhaust w/ 4in Black Chrome Tips - SES9004

The 2016-18 Focus RS is a machine the demands attention and respect wherever it's driven. The Injen Technology cat-back exhaust system compliments the Focus RS with impressive power, gorgeous looks, and a distinct sound that is unmatched. , , Unlike our competition that uses stepped down tubing, the Injen Technology system is a full 3"cat-back unit that is mandrel bent using only the best 304 stainless steel available. Another unique feature of the Injen cat-back exhaust system for the RS is that is utilizes individual resonators instead of a single traverse style muffler. Not only does this provide a unique sound, but also help to free up power throughout the RPM range. Injen Technology also 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. , , The rear of the Injen Technology RS cat-back system is a work of art and employs multiple slip fittings to allow an infinite amount of adjustment for a precise fit right out of the box. Dual 4"black chrome exhaust tips complete the exhaust and provide a finished look. , , Quality Construction; This Injen Technology exhaust system is constructed from 3"mandrel-bent 304 stainless steel tubing for maximum flow and long service life. From there, every aspect of the system is hand TIG-welded by our experts in our Pomona, California headquarters. , ,

This Part Fits:

Year	Make	Model	Submodel
2016-2018	Ford	Focus	RS

Please note image may vary from product, and some items are special order.

Need a cold air intake, exhaust, or programmer for your performance car? Injen is the go to source for the best performance parts at great prices.

About Injen

Injen is a well-known brand in the automotive aftermarket industry, particularly recognized for its high-performance air intake systems, as well as other automotive components and accessories. Founded in 1988, Injen Technology has built a reputation for producing innovative and quality performance parts designed to enhance vehicle power, efficiency, and overall driving experience.

History:

Eibach was founded by Karl Eibach in Germany, originally focusing on producing high-performance suspension springs. Over the decades, the company expanded its product line and gained global recognition for its advanced suspension systems. Well known in the motorsports community,. Eibach has continually refined its products to meet the demanding needs of competitive racing and high-performance street vehicles.

Products:

Injen has large and diverse line of performance products including-

Cold Air Intakes (CAI): Injen is perhaps best known for its cold air intake systems, which are designed to improve engine performance by increasing airflow and cooling intake temperatures. This helps vehicles produce more horsepower and torque.

​Short Ram Intakes (SRI): These are similar to cold air intakes but are designed to be shorter and draw air from the engine bay, rather than from outside the vehicle, offering a different balance between performance and ease of installation.

Hydroshield: Injen also manufactures hydroshields, which are protective covers designed for intakes to prevent water ingestion during wet conditions, offering an added layer of protection for the engine.

Tuning Products: Injen has ventured into performance tuning products like tuners and programmers to help optimize engine performance, air-fuel ratios, and timing.

​Technology:

Injen is known for its innovative design technologies, including the SuperNano-Web Filtration technology in its air filters. These are high-flow filters designed to improve airflow while offering excellent filtration performance.

About Fidanza Performance-

​Fidanza Performance, founded in 1997, is a leading US manufacturer of high-quality lightweight aluminum flywheels, precision adjustable cam gears, and high-performance clutches. With nearly 20 years in the automotive performance market, Fidanza is renowned for its expertise and respected globally, offering products for a wide range of vehicles, from European sports cars to modern muscle cars and imports. The company originated in racing, with founder Lou Fidanza's success in the SCCA leading to the creation of specialty parts like aluminum flywheels. Fidanza has since expanded its product line to include cam gears and performance clutches, gaining a loyal customer base and worldwide recognition. In 2023 Fidanza opened the Fidanza Marketplace which sells other manufacturers quality high performance parts!