aFe Power 49-36311-C White 2.5" sku-132928134 Exhaust

aFe Power 49-36311-C MACH Force-Xp cat-back exhaust kit (sku-132928134; UPC 802959493144) is listed as White, sized 2.5", and categorized under Exhaust Parts & Emissions Parts. The fitment listing says 08-13 M3 and specifies select 2008-2011 BMW M3 applications. The kit includes 2.5 in. 304 stainless steel tubing, clamps, a muffler, hangers, sectional tubing, hardware, and quad carbon fiber tips.

It is 100 percent hand TIG welded with a hand-brushed finish. Its mounting brackets use factory hanger locations, with no modification required. The stated gains are +12 hp and +11lbs. x ft of torque, also listed as 12 HP/11 torque gain. It has a 2 year limited warranty.

Advanced Flow Engineering, Inc. (aFe) was founded in April 1999 and makes air filters and intake systems for the automotive industry. Its aftermarket filter applications include passenger cars, light trucks, SUVs, racing filters, and universal clamp-on filters.