Explore renowned manufacturers such as Borla, Invidia, and HKS, known for their exceptional craftsmanship and exhaust system expertise. FTSpeed's cat back exhausts are designed to perfectly fit your sports car, delivering noticeable gains in both power and aesthetics. Elevate your vehicle's performance and sound with our premium cat back exhaust systems. Cat-back exhaust systems typically feature a muffler, and sometimes not, and these will have piping that will route to your catalytic converter. The piping will have larger bends that are as straight as possible to provide an unobstructed exit path for the exhaust gases.
Walker is your one-stop exhaust shop, offering a full line of mufflers, pipes, hardware and accessories. Cat to Y pipe intersection showing after cat O2 sensor location. This qualifies as one of the STRANGEST stock exhaust parts I have seen. For some reason Toyota/Lexus decided to weld a straight section of 60mm pipe to the cat outlet flange, angle cut it, weld a 50mm pipe pipe that has its last couple of inches expanded to 60mm and match angle cut. Also note the O2 placement is in the 50mm sections of the Y pipe where the sensor tip takes up a good portion of the available flow area.
Video Features Options Short video of our 3" Catback Exhaust for the 07+ Honda Civic Si Sedan. Note that this was installed on a naturally aspirated setup (stock header and... Already own an