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.
Decades later, Gale and the team are not only innovating, patenting products, and setting the bar for aftermarket performance manufacturers, we're also sharing our secrets with the world. The 6.2-liter LS3 V8 was factory rated at 415 horsepower and 415 lb-ft of torque. It is used to expel harmful gases and substances from your engine