"M&M Edition" Sport Headers with Cat Bypass for the 987.1 Caymans and Boxsters_x000B__x000B_Our M&M Edition headers and cat bypass pipes were created for those who have already purchased the FVD / M&M sport mufflers (either TUV or Sound Version). They are a logical progression for those looking for added mid range torque and top end horsepower. Combined with the FVD / M&M muffler they are by far the lightest, least restrictive, most aggressive sounding system on the market._x000B__x000B_FACTS:_x000B_- + 15 crank hp & + 14 crank torque**_x000B_- 2" tubing (50 mm) straight through design for max. power_x000B_- Weighs 10.5 lbs. (4.7 Kg)_x000B_- 28 lb weight savings over complete OEM exhaust system!!!_x000B_- T 316 stainless steel for improved durability over T 304_x000B_- Made in Germany by M&M Exhaust GmbH_x000B_- Intoxicating RSR like growl above 2,800 rpms._x000B_- 9 on a scale of 1-10 in volume (1 being stock) above 2,800 rpms._x000B_- 6 on a scale of 1-10 in volume (1 being stock) below 2,800 rpms_x000B_- Additional hardware is not necessary, headers and cats reuse the M&M muffler sleeves._x000B_- Modular design so that cats can be added to meet emission standards._x000B_- DME programming necessary._x000B__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.