FIGURES FOR 93 OCTANE PUMP FUEL: STOCK: 315BHP --> TUNED: 343BHP STOCK: 266ft/lbs --> TUNED: 290ft/lbs Our tuning for the 3.4L MA1.23Flat 4 engines builds from our experience with other Porsche platforms and ECU Type. The 3.4L engines, allow significant increases in HP and Torque with appropriate tuning. Our passionate in-house software engineer Chris has created multiple refinements for driveability & seamless OEM integration our product is market ready. FITS 981 3.4L Boxster & Cayman models