BBK® 1651 - Merged Aluminized Steel Short Non-Catted Mid-X-Pipe

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  • For Use with PN[16495] Headers.
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Product Details

Merged Aluminized Steel Short Non-Catted Mid-X-Pipe (1651) by BBK®. Position: Center. Material: Aluminized Steel. Emissions: Racing Only. Main Piping Diameter: 2.75". These BBK X-pipes are made from Tubing and feature a merged X to maximize the potential of Ford's late model high performance engines. Each BBK mid X pipe offers performance, quality and value that guarantees years of top performance.

Notes: For Use with PN[16495] Headers.


Emissions: Racing Only
Series: Merged
Position: Center
Material: Aluminized Steel
Main Piping Diameter: 2.75"


  • Provides optimal exhaust flow for the most possible increase in horsepower while retaining an exhaust system
  • X-pipe allows exhaust from both banks to exit using both sides of the exhaust system, for the least restriction and greatest exhaust flow
  • Large diameter tubes are CNC mandrel bent to maintain consistent flow throughout the length of the exhaust
  • Bolt-on installation; no cutting or welding required
  • Limited 1-year warranty
  • Proudly made in the USA

BBK Performance short mid X pipes are specifically designed to be used with BBK full length headers

BBK Performance X pipes have been the number one performance brand Ford Mustang enthusiasts have enjoyed for years. Each BBK X pipe offers performance, quality and value that guarantees years of top performance for your Ford Mustang.

X-pipes increase exhaust flow to gain horsepower by allowing both cylinder banks to make use of both sides of the exhaust system. These high-flow X-pipes are constructed from large diameter tubes that are CNC mandrel bent to ensure maximum flow and the most horsepower increase possible. They’re available in full length versions that connect to the factory manifolds or shorty headers and short versions that connect to BBK long tube headers, with catalytic converters or in off-road style without converters. Includes O2 sensor bungs. Bolt-on installation; no cutting or welding required.

Get the most horsepower possible from your V8 engine with a BBK High-Flow Mid X-Pipe. On a typical V8 engine, one cylinder on each bank fires within 90 degrees of crankshaft rotation of another cylinder on the same bank. The resulting exhaust pulses are very close together as they travel through the exhaust system. These close firing cylinders are competing for space in the exhaust pipe, which creates backpressure and reduces power. When the two close firing cylinders are exhausting on one bank, there is nothing happening in the other bank, so merging both sides with an X-Pipe effectively enlarges the exhaust system, allowing these exhaust pulses to exit through both sides of the system. The exhaust pressure on both banks is equalized and power is increased at all engine speeds.

BBK takes the X-Pipe concept to its highest-flowing form with these large diameter tube versions. All tubes are CNC mandrel bent to ensure the tubing maintains its diameter throughout the bend. Mandrel bending ensures that exhaust flow will be consistent for the length of the tube and CNC control ensures that every bend is made according to design. Full length X-pipes are equipped with OEM style die-stamped flanges to ensure a perfect connection with factory exhaust manifolds or shorty headers. Short X-pipes are specifically designed to connect to BBK full length, long tube headers. Both full length and short X-pipes are bolt-on installations; no cutting or welding is required.

All pipes feature bungs to mount the O2 sensors and street driven vehicles will need the X-pipe versions equipped with high-flow catalytic converters. The off-road pipes do not have catalytic converters and these are intended for off-road race use only. In some cases a tuner will be required to switch off the rear O2 sensors.

BBK High-Flow Mid X-Pipes come with all necessary hardware, as well as detailed instructions to guide you through the installation. Every X-pipe is backed by a 1-year limited warranty against defects in materials or workmanship, as long as the product was installed according to BBK guidelines.

BBK Performance® is the No. 1 manufacturer of EFI performance parts and accessories. For over 20 years the company has concentrated its resources on the development and manufacture of performance parts and accessories for late model electronically fuel injected vehicles. These parts include large bore, high-flow mass air meters and throttle bodies, intake manifolds, high-flow fuel rails and high-volume fuel pumps, and cold air intake kits. The company also manufactures an extensive line of high-tech headers and exhaust pipes, and state-of-the-art suspension and steering components. Along with their commitment to EFI, the company is also dedicated to designing and manufacturing the highest quality parts and accessories right here in the USA. To that end, the company operates 2 large design and manufacturing facilities in Temecula, California as well as a large distribution center located in Daytona Beach, Florida.

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All BBK products, including CAI systems, air filters, exhaust systems, headers and other products, are warrantied against any defect in materials or craftsmanship for a period of one year from the date of purchase.

These terms apply as long as it has been established that the product in question was installed and used in accordance to all BBK guidelines and was not used for racing or competition purposes.

BBK Performance will not be held responsible for any consequential or incidental damages incurred during installation and will not be held responsible for any incidental or additional labor/storage charges on any products that are defective, damaged, or purchased incorrectly. (Please note some product specifics are NOT covered by warranty, such as coatings/finishes, bushings and hoses, etc.)

An original receipt showing the date of purchase must also be supplied or the warranty is null and void – please be sure to include your name, return address and contact phone number. If a defect is determined, the item will be immediately fixed or replaced at no cost to the consumer.

Magnuson-Moss Warranty Act:
Legally, a vehicle manufacturer cannot void the warranty on a vehicle due to an aftermarket part unless they can prove that the aftermarket part caused or contributed to the failure in the vehicle (per the Magnuson Moss Warranty Act (15 U.S.C. 2302(C)) Learn More

Vehicle Fitment

Ford Mustang
2010 Ford Mustang
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  • This part for Racing or Off-Road use only.
2009 Ford Mustang
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2008 Ford Mustang
  • Shelby GT500 / Shelby GT500KR With Full Length Header
  • This part for Racing or Off-Road use only.
2007 Ford Mustang
  • Shelby GT500 With Full Length Header
  • This part for Racing or Off-Road use only.
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