React is one of the leading brands of Catalytic Converters in the UK, with an extensive range covering virtually all makes & models of cars & light commercials. React is a premium product range & all catalysts are covered by a 2 year manufacturer&8217;s warranty. Important Note: For most applications we offer both a Type approved & non-Type approved version. It is now illegal to fit a non-type approved part for a type approved application. This means that any vehicle registered on or after 1st March 2001 (&8220;Y” Reg. onwards), must be fitted with a type approved part.