BMP stainless steel full exhaust - designed, built and assembled in the USA. Aluminum Extruded body anodized black. 6061 fully machined billet aluminum components. Stainless steel spiral formed louver core. Coarse Stainless steel American made packing material. Rigid v-band ensures a tight, leak-proof fitting between the pipe and muffler. Stainless steel hardware for long-lasting aesthetics (even the black-coated bolts are stainless steel). It comes with a 90° turn-out (black finish). Big horsepower and torque gains at low to mid-range power. Decreases turbo lag. Turbo runs cooler (lower EGT) leading to increased longevity of turbo and exhaust valves. The 3" tubing also allows for quicker turbo spool and works more efficiently versus stock as the boost pressure increases.