Header-Cat-System 997 09- (Headers 63.5mm with 200 Cell HD Catatytics)

For 997-2 with OEM or valved Porsche sport exhaust (PSE). Facts: - Equal Length Headers with Long Tube Design - 200 Cell HD German HJS Tri Metal Sport Cats - 2.5 Tubing (63.5 mm) - Made in Germany Power: - 997.2 (3,6l) = + 20 crank Hp (15 kw) & + 15 crank torque (20 Nm) - 997.2S (3,8l) = + 23 crank Hp (18kw) & 22 crank torque (30Nm) - With FVD Flashclient Software = + 37 crank Hp (28kw) & + 30 crank torque (40 Nm) Our latest development for the 997.2 is aimed at those who are looking for more torque in the mid range, a rich, deep exhaust growl. These headers contain the latest HJS cats, they are nicknamed "HD" for high durability matrix design catalytic converters. They have a SM-matrix (winding of three flat and corrugated foils) and a special connection to the matrix sheath, which equates to extremely high durability for track and street use._x000B__x000B_This item may need to be sourced from Germany and would take 2-4 weeks to arrive. Once ordered it cannot be canceled. Please call to check stock or request expedited shipping.