Give your Porsche (991) the luxurious style it deserves with the aFe POWER Mach Force - XP tip upgrades for the 2012 - 2016 Porsche 911 C2S with the H6 - 3.8L engine. Realizing that the OE exhaust tip could be improved, aFe designed a special quad 3 - 12 304 stainless steel exhaust tip assembly. Constructed of 3 - 12 brush finished, 304 stainless steel tubing for improved performance and overall breath - taking appearance. High quality clamps and hardware are used, these tips are also manufactured to the OE style, resulting in a perfectly precise fit and a complete bolt - on installation. The tips are 100 hand TIG - welded by certified craftsmen fo r race proven strength and durability that your Porsche demands No modifications are necessary and all hardware is included within the kit. 3 - 12 dia. Brush Finish Stainless Steel Exhaust Tip These tips are 3 - 12 dia. brush finished stainless steel exhaust tips that gives your Porsche a clean, breath - taking appearance. Stainless Steel and Construction This unique tip uses 3 - 12 angle - cut brush finished, 304 stainless steel tubing that is TIG - welded by a certified craftsmen. Hassle - Free Installation These tips are also manufactured to the OE style, resulting in a perfectly precise, hassle - fee installation fit with no modifications required.