aFe 49-46032-B Rebel Series 3 IN to 2-1/2 IN Mid-Cab Exit Stainless Steel Cat-Back Exhaust SystemaFe 49 46032 B Rebel Series 3 IN to 2 1 2 IN Mid Cab Exit Stainless Steel Cat Back Exhaust System Test Results In testing, the cat back exhaust system resulted in gains up to +9 horsepower and +10 lbs. x ft. of torque, as measured on aFe Powers in house dyno aFe power introduces an all new Rebel Series dual middle side exit exhaust system for the Toyota Tacoma with the V6 3. 5L engine. This Rebel Series cat back is designed with dual black exhaust