Okay. You live in smog-Nazi land (California or other) and are worried about passing the visual and smog portion of the test because you have a downpipe without CATS, or you are a Green conscious individual and want to do your part for society. This high flow cat shows only a loss of a few HP, yet it provides the necessary catalytic reaction when installed in your exhaust system to pass the smog portion of the test. While the Supra originally contained a pre-cat and a final cat (two total cats), we have not heard of a single person who has not passed the visual inspection as well. We are providing this as a service to the Supra community and do not guarantee passing the test (typical legal warning). 3.00" inlet and 3.00" outlet works perfect with most down pipes. A 2.75" inlet and outlet is available for MK3 owners as well. These are Weld in versions. We also sell the flanged Bolt on version in the downpipe/ exhaust section.

It is available in 2.0", 2.25", 2.5" and 3.0"