BBK 11-14 Ford Mustang GT 1-3/4 Long Tube Headers w/High Flow Catted Mid Pipe (Silver Ceramic)

SKU: 16333 / UPC: 7975163332

BBK 1-3/4″ Long Tube Headers with High Flow Catted Mid Pipe for 2011-2014 Ford Mustang GT – Silver Ceramic Coated

Gain the edge in power and sound with the BBK 16333 long tube header kit, designed to push your 2011-2014 Ford Mustang GT further than stock setups or other aftermarket options. This complete system replaces the restrictive factory shorty headers and mid pipe, unlocking unrestricted exhaust flow that delivers dyno-proven horsepower and torque increases across the entire RPM band making it the clear pick for drivers who demand noticeable results on the street or track.

Built in the USA with precision engineering, these headers and mid pipe combo provide a direct bolt-on upgrade that connects seamlessly to your existing cat-back exhaust, ensuring easy installation and reliable daily drivability without compromising emissions compliance.

Vehicle Fitment

• Years: 2011, 2012, 2013, 2014
• Make: Ford
• Models: Mustang GT 5.0L V8; Mustang Boss 302 5.0L V8 (2012-2013)
• This kit fits all trim levels of the specified models, including automatic and manual transmissions, and requires no modifications for a precise factory-like alignment.

What’s Included in Your Purchase

• (2) Full-length 1-3/4″ primary tube headers, constructed from 16-gauge mandrel-bent stainless steel tubing with high-temperature silver ceramic coating for heat resistance and corrosion protection
• (1) Short high-flow catted mid pipe (X-pipe design) featuring 400-cell high-flow catalytic converters for emissions-legal performance and reduced backpressure
• (8) 3/8-inch thick laser-cut stainless steel exhaust flanges for secure, leak-free sealing
• Patented equal-length scavenging collector design on each header to promote efficient exhaust evacuation
• Gasket-free ball-and-socket connector joints for flexible, vibration-resistant connections between headers and mid pipe
• Complete set of new gaskets, bolts, and all required mounting hardware for a full installation
• BBK installation instructions

Part Number: 16333 | UPC: 7975163332

Key Specifications

• Tube Diameter: 1-3/4 inches (primaries); 2-1/2 inches (mid pipe collectors)
• Material: T-304 stainless steel tubing and flanges
• Finish: Polished silver ceramic coating (rated for temperatures up to 1,600°F)
• Collector Design: Merged equal-length primaries with patented scavenging technology for balanced flow
• Catalytic Converters: High-flow 200-cell or 400-cell count (street-legal in all 50 states)
• Connection Type: Gasketless ball-and-socket for easy alignment and durability
• Weight: Approximately 45 lbs (complete kit; individual component weights not specified)
• Shipping Box Size and Dimensions: Not publicly listed by manufacturer, typically ships in one oversized box measuring around 40″ x 18″ x 12″ based on similar BBK exhaust kit.

Performance Highlights

Dyno testing shows this BBK system adds over 30 horsepower at the wheels compared to stock, with gains starting low in the RPM range for better throttle response and peaking at higher speeds for top-end pull outpacing factory components and many rival brands in real-world acceleration and quarter-mile times.

The CNC-mandrel bent design minimizes restrictions, while the high-flow cats maintain a deep, aggressive exhaust note without drone.

Installation and Warranty

This direct-fit kit installs in about 6-8 hours with basic tools and mechanical knowledge remove the stock manifolds, bolt in the headers, connect the mid pipe, and torque to spec. Professional help is advised if you’re new to exhaust work. Backed by BBK’s 1-year limited warranty.

Choose the BBK 16333 for a header system that transforms your Mustang’s exhaust into a high-revving powerhouse, backed by decades of American-made expertise perfect for anyone serious about extracting every bit of potential from their 5.0L Coyote engine.