Our Adjustable Nissan/Mitsubishi Decat Pipe replaces the standard restrictive catalytic converter with a single piece decat pipe allowing for improved exhaust gas flow, increasing horsepower and improving throttle response in the process. Features: Manufactured from T304 stainless steel 3" bore Adjustable length to suit different vehicles TIG welded, CNC machined flanges Direct replacement for standard item Supplied with gaskets and bolts Please note: sold for off road and track use only (will not pass an MOT emissions test when fitted).