AFE 49-13003 Large Bore HD 4" Cat-Back Exhaust System

The AFE 49-13003 Large Bore HD 4" Cat-Back Exhaust System is engineered to perform in the most extreme environments. This system is constructed from mandrel bent 4" stainless steel tubing for maximum flow, increased horsepower, increased torque and lower EGT's. This system is available in 4" cat-back with muffler. Large Bore-HD exhaust systems are the perfect combination of performance, fit and value.

Installation is a Snap: All systems use factory mounting locations providing stability and hassle-free installation.

Leak-Free Seal: High quality OE style band clamps are used for a complete 360 degree sealing surface.

Aggressive Sound: A free-flowing 24" long muffler is used to absorb high pitch tones producing a powerful sound and unleashing all available horsepower and torque out of your rig.

Perfect Fit: OE style bayonet hangers are used to maintain a stable pipe location during high vibration and high heat conditions. The Bayonet tip holds the hanger bushing in place for an OE style fit that does not change with time.

Flow and Performance: Large Bore-HD exhaust systems are constructed of 4" mandrel bent stainless steel tubing for maximum flow. Smooth transition bends allow for low turbulence, increasing horsepower, torque and lowering EGT's.

Features:

• Mandrel bent pipe, not compression bent, for 20% higher flow.
• Straight through wide open, high-flow mufflers, no baffles or chambers, less chance of resonation. (excluding DPF back systems)
• Tuned to specific vehicle applications for ultimate power when used in conjunction with AFE air intake filters.
• OEM style bayonet hangers with strong high-quality band clamps for better seal.
• 2-Year Warranty

Systems Specs:

• 409 Stainless Steel
• Cat-Back
• Two-piece over axle
• No tip included

Notes:

This exhaust system retains your factory catalytic converter.

All Crew & Extended Cabs applies to Ford F-250/350 Pickups as this system will not fit on Cab & Chassis models.