Many car modifiers remove the standard catalytic converter for improved performance or replace them with ‘Sports’ aftermarket versions. However these items MUST be Type Approved and Sports aftermarket cats do not meet the requirements and therefore are illegal for road use
Taken from Jetex Exhaust site.
http://www.jetex.co.uk/website/catalyst103r.php
“New Catalyst Legislation 103R
There have been significant changes regarding the fitting of replacement catalytic converters for road use.
The law now states that for cars and light vans first registered after 1st March 2001 for road use, any replacement catalytic converter fitted to the vehicle must be Type Approved. This means that the washcoat and precious metal coating on the catalyst will have to be of OE quality in order to gain Type Approval.
What Does This Mean?
• For cars after 2001, Jetex will only supply standard fitting Type Approved ceramic catalytic converters. There will be no Type Approvals for metallic substrates.
• Our range of non-standard sports catalysts will be restricted to cars registered before March 1st 2001. However, there will be a limited range of sports catalysts for later cars, but these will be for off road use only. Our catalysts will be marked ‘Illegal to supply to type-approved vehicles first used on or after 1st March 2001′.
• We will still supply universal catalysts but these must not be fitted to road cars if registered after March 1st 2001. Each catalyst will be marked ‘Illegal to supply to type-approved vehicles first used on or after 1st March 2001′.
Remember, this legislation does not affect cars used off-road or on a track and those registered before 2001.“
Links to all relevant legislation below.
http://eur-lex.europa.eu/LexUriServ/LexUriServ.do?uri=OJ:L:2007:158:0106:0117:EN:PDF
http://www.r103.info/ANNEXC.pdf
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