aFe Large Bore-HD 4 IN 409 Stainless Steel DPF-Back Exhaust System w/ Black Tip (49-42006-B) 1615 It addresses OEM downpipe restrictions

It addresses OEM downpipe restrictions by enhancing exhaust flow to improve turbocharger response

Once connected

Consult with your tuner when using in conjunction with any other Engine Management System

Installation Torque: 20Nm / 15 ft-lbs

0 Description_ASM Front Greenstuff 7000 Street sport FMSI D784 2001 thru 2007 CHEVROLET Silverado 2500 HD 8

aFe Large Bore-HD 4 IN 409 Stainless Steel DPF-Back Exhaust System w/ Black Tip (49-42006-B) 1615 It addresses OEM downpipe restrictionsLarge Bore HD 409 SS DPF Back Exhaust System with Single Side Exit (49 42006 B) by aFe. With Muffler Delete Pipe. Exhaust System Type: DPF Back. Exhaust Tubing Material: 409 SS. Main Tubing Diameter: 4". Exhaust System Sound: Aggressive Loud. Get increased exhaust flow, more horsepower and torque, improved performance and lower exhaust gas temperatures with the aFe Large Bore HD DPF Back Exhaust System. aFe dyno tests every system for maximum gains,