Competition Series 4" Catless Downpipe for the 2021+ Toyota Supra 2.0 B46 US Spec Engine cat Heatsoaking is not an issue

Heatsoaking is not an issue at all as shown by the consistency of the IAT staying in the same temperature range throughout the WHOLE RPM powerband

With the popularity of methanol injection systems and nitrous systems

0 (A90/A91) B46/B48 Engine

charged intake airflow characteristics greatly affect throttle response

higher and longer

Competition Series 4" Catless Downpipe for the 2021+ Toyota Supra 2.0 B46 US Spec Engine cat Heatsoaking is not an issueOur Competition Series 4" Downpipes for your 2021+ Toyota Supra 2. 0 B46 4 Cylinder Engine (A91). The B46 engine is found in all U. S. spec cars. The downpipe is different than the B48 found in the EU Asia spec cars. You must get the correct downpipe for your car as they are not interchangeable. Key Features: Made in the USA! Manufactured in house. Now available for the 2021+ Toyota Supra 2. 0 B46 Engine! Horsepower gains of 14 to 16whp average (gains