Reduce back pressure and improve overall engine performance with the Invidia Catted Front Pipe. BUY WITH CONFIDENCE - Invidia Exhausts Australia's LIFETIME WARRANTY applies to this product. See terms and Conditions. Mandrel bent piping - greatly reduces the risk of cracks and breaks developing, reduces rasp and vibration. Cast flanges - precision fitment and durability. Robotic welded - Fantastic appearance and uniform strength.