Top 20 Best Selling Cat-Back Systems Exhaust & Emissions Replacement Parts (2018)




The best cat back exhaust on the market for your FR-S or BRZ. Two over-sized 4 double wall slash cut exhaust tips add an aggressive look to this impressive system. Choose 'With Resonator' above for a sporty yet mellow sound, choose 'Without Resonator' for ... more info

Brand new in original packaging. Exactly the same as shown in the picture! Made of high quality full T-304 stainless steel with shinny chrome finish. Japanese N1 style. Comes with removable silencer. Increases up to 15 hp. Deep smooth tone guaranteed. CNC ... more info


Brand new in original packaging. Exactly the same as shown in the picture! Made of high quality full T-304 stainless steel with shinny chrome finish. Japanese N1 style. Comes with removable silencer. Increases up to 15 hp. Deep smooth tone guaranteed. CNC ... more info


For the person who is looking for a complete cat-back dual exhaust system with an quieter tone. With easy fit in mind, these systems are mandrel bent for maximum performance and include specially selected mufflers. Force II systems deliver a moderate exte ... more info



For the person who wants a subtle custom appearance with all the benefits that a Flowmaster cat-back exhaust system provides. S.O.S. (Single Out Side) systems are the perfect choice. Force II systems deliver a moderate exterior tone and moderate to mild i ... more info




2009 to Present Dodge Ram 1500 Mufflex 5.7 Hemi Muffler /Exhaust This is a do it yourself Muffler retrofit kit for the 2009 to Present Dodge 1500 5.7 Hemi truck. Why change the complete cat-back when the factory dual tailpipe system is already made of a ... more info

This Yonaka Motorsports catback exhaust system is made of fully polished stainless steel, with 2.5 OD mandrel bended piping, and a 4.25 tip. Expect a quiet, clean, deep hum, without that irritating mid range raspy sound. Direct bolt-on fit. All installati ... more info



The most restrictive part of any exhaust system is the catalytic converter. The stock catalytic converter is meant to filter the flow of exhaust gases to reduce the amount of harmful gases into the atmosphere. Because of this, lots of potential performanc ... more info


Made From High Quality Austenitic Stainless Steel. Mandrel Bent Pipes. Ensures Consistent Diameter Through Each Curve. Mufflers Have No Baffles/Chambers. Produces High Velocity. Million Mile Warranty. ... more info


Magnaflow Stainless Steel 2.5 inch Dual Cat-Back Exhaust System reduces engine heat, back pressure as well as improve exhaust scavenging for high power and performance of the engine. It is manufactured from heavy-duty stainless steel and features 2.5 inch ... more info

Magnaflow Stainless Steel 2.25 inch Single Cat-Back Exhaust System is designed to improve power as well as performance gain in horsepower and torque for the exhaust system. It is made from stainless steel which is extremely durable. This exhaust system is ... more info




Upgrading vehicle's exhaust system is a great way to build horsepower, free up trapped torque, and improve upon restrictive factory systems. The larger pipes, low-restriction mufflers, and tuned resonators of a well-designed performance exhaust system can ... more info

SR*S catback exhausts are made with T-304 stainless steel, CNC machine flanges and mandrel bent, with a polish finish for the best possible looks and performance. All of our exhaust systems are guaranteed to have a deep tone, smooth, throaty clean sound. ... more info

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