WebJul 21, 2011 · 262 Posts. #11 · Jul 14, 2011 (Edited) The only way to pass emissions is with the antifouler mod and only if it works for you..There is no way in tuning it to pass.Either the sensors are enabled or disabled the later is automatic fail.This is the reason people avoid long tubes. Some good info in this thread. WebYes, high flow cats will typically pass emissions tests. This is because they are designed to improve the flow of exhaust gases, which can help reduce emissions. ... Do High Flow Cats Reduce Emissions? High flow cats work to reduce emissions by increasing the efficiency of the catalytic converter. The increased efficiency results in less ...
Will High Flow Cats Pass Emissions? - Arew
WebDec 26, 2024 · The catless downpipe vs high-flow cat debate is a hot topic in the automotive world. Catless downpipes allow engine exhaust to flow without any … WebFeb 23, 2011 · Unless they've changed in recently. To my knowledge, they typically do an OBD2 port scan and a half ass visual inspection so you should be fine. I recently passed … shop silencelife
Will high flow cat pass emissions - Supra Forums
WebMay 29, 2024 · A catless downpipe is technically illegal as it violated emissions laws. Although there are “fixes” that can hide the engine codes and trick emissions tests, … WebJan 16, 2015 · Voltwings. Granted, this is a different platform, but i have had experiences where even high flow cats will outflow the stock cats by enough to trigger a CEL. To … WebA high-flow cat is a great alternative as it has a better chance of lasting on the road for a long time. 2. Complies with state requirements. Another benefit of high-flow cats is that manufacturers are designing these exhaust systems while paying attention to the tighter emission requirements, especially in states like California. shop silt