Catalytic converters, a little pipe diameter (which cuts down warmth transfer), and restrictive angles all lead to lower stream fees with a manufacturing unit downpipe that affects how properly your car performs. What exactly is a catted downpipe? Greatest wheel torque is likely on common slightly greater for your catless https://catless-vs-catted-downpip86429.bimmwiki.com/10209570/not_known_factual_statements_about_catless_downpipe