M&M Header-Cat-System 997 09- (Headers 70mm with 100 Cell Cat)

For 997-2 with OEM or valved PorscheÆ sport exhaust (PSE)._x000B__x000B_Facts:_x000B_- Equal Length Headers with Long Tube Design_x000B_- 100 Cell German HJS Tri Metal Sport Cats_x000B_- 2 3/4" Tubing (70mm)_x000B_- Replaces the primary ìCenterî muffler and connects to the factory PorscheÆ PSE muffler's directly._x000B_- Made in Germany_x000B__x000B_Power:_x000B_- 997.2 (3,6l) = + 20 crank Hp (15 kw) & + 15 crank torque (20 Nm)_x000B_- 997.2S (3,8l) = + 23 crank Hp (18kw) & 22 crank torque (30Nm)_x000B__x000B__x000B_Tech Tip:_x000B_DME (Catalytic adjustment) needs to be programmed!