Have Questions?
FORD MUSTANG GT 2-1/2 HIGH FLOW CATTED X-PIPE 99-04
PART #1670
FEATURES:- Increase Horsepower and Add an Aggressive Exhaust Note
- 2.5" Mandrel Bent Stainless Steel Tubing
- O2 Sensor Bungs in Factory Locations
- Direct Bolt In for Easy Installation
- High Flow Catalytic Converters for Maximum Exhaust Flow
- For Use With OEM Factory or After Market Shorty Headers
- 1999-2004 Mustang GT and Cobra
- 2001 Mustang Bullitt
- 2003-2004 Mustang Mach 1
More Power and Aggressive Sound
Get your 1999-2004 Mustang GT or Cobra heard with this BBK Performance 2.5" high flow catted X-pipe. This BBK Performance catted X-pipe will dramatically increase the sound of your Mustang to a roar that will be sure to turn heads. The 2.5" X-pipe increases exhaust flow adding more horsepower and torque and better throttle response.
Easy Installation
The BBK Performance catted X-pipe is a direct fit and works with factory exhaust manifolds or aftermarket shorty headers. The X-pipe comes with oxygen sensor bungs in the factory location making installation a breeze.
Maximum Exhaust Flow
High flow catalytic converters are used for better exhaust flow. This X-pipe is built using 2.5" mandrel bent stainless steel for great exhaust flow.
Emissions
Please Note: The new catalytic converters used in the manufacture and production of ALL BBK Performance high flow H and X exhaust pipes meet Federal EPA requirements. (N/CE - New aftermarket Converter) Federal Catalytic Converters are not legal for sale, installation or use on ANY licensed vehicle in the State of California. These converters do NOT carry an Executive Order number (EO number) and are NOT California CARB approved. Please check your state and local emissions laws to ensure compliance.
Additional Emissions Information
This part is NOT C.A.R.B Approved and cannot be installed for use on any emission controlled vehicle in California.
It cannot be sold or shipped to any California resident or addressee.
Year | Make | Model | Submodel |
---|---|---|---|
1999-2004 | Ford | Mustang | Base |
1999-2004 | Ford | Mustang | GT |
2001 | Ford | Mustang | GT Bullitt |
2003-2004 | Ford | Mustang | Mach 1 |
1999,2001,2003-2004 | Ford | Mustang | SVT Cobra |
2003 | Ford | Mustang | SVT Cobra 10th Anniversary |
2000 | Ford | Mustang | SVT Cobra R |
Related Products

BBK
Explore the BBK Collection
Since 1988, BBK Performance has been an industry leader in bolt-on automotive and truck parts, delivering exceptional quality and performance. This curated collection features a wide array of high-performance parts designed to enhance your vehicle's capabilities.
BBK also offers top-of-the-line components such as:
Equipped with cutting-edge testing and dyno equipment, the BBK engineering team works tirelessly to develop products that exceed your expectations. Whether you are looking to boost your engine's performance or upgrade your truck's capabilities, the BBK collection has everything you need to transform your ride. Discover the perfect part today and experience the BBK difference!
THE LEADERS IN BOLT-ON PERFORMANCE
Today, BBK Performance has two locations in California and Florida. With nearly 200,000 sqft of state of the art R&D, manufacturing, and distribution, the BBK brand continues to focus on bringing the best quality and affordably priced performance products built right here in the USA. The BBK engineering team works everyday designing and testing new products for a variety of automotive and truck platforms.
Visit BBK in Daytona Beach or San Diego, be sure to come see their factory outlets and ask on-sight technicians what performance upgrades BBK offers for your favorite project. With over 600 products now available for most Ford, GM, Dodge and Jeep models, BBK continues to design & produce the highest quality dyno-proven performance bolt-ons with the same determination as when Brian got things started in 1988.

Exhaust Systems
Welcome to our collection of high-quality exhaust systems, designed to elevate your vehicle's performance while providing an outstanding driving experience. Our website simplifies the search for the perfect exhaust components for your vehicle, allowing you to easily browse through a wide range of custom and performance exhaust parts.
Featured Brands
- AEM
- AFE
- Agency Power
- Akrapovic
- AMS
- ATS Diesel
- AWE Tuning
- Cometic Gaskets
- DEI
- Diamond Eye Performance
- Fleece Performance
- G-Sport
- Go Rhino
- GReddy
- Injen
- Invidia
- ISR Performance
- NGK
- OMIX
- Perrin
- QTP
- Ticon
- Torque Solution
- Wagner Tuning
- Wehrli
- Zone Offroad
Why Choose Our Exhaust Systems?
- Improved performance and power output.
- Enhanced fuel efficiency.
- Superior sound quality for an exhilarating driving experience.
- Aesthetic upgrades that enhance your vehicle's appearance.
Shop with Ease
Our user-friendly website enables you to search by make, model, and year, ensuring you find the right components tailored to your vehicle's needs. Explore our selection of top brands:
- Banks Power
- BBK
- BD Diesel Performance
- Big Gun
- Blox Racing
- Borla
- Bosch
- Gibson
- Granatelli Motor Sports
- GReddy
- LP Aventure
- MXP
- S&S Cycle
- Sinister Diesel
- Stainless Bros
- Turbo XS
- Vibrant
- Victor Reinz
Upgrade Your Vehicle Today!
Don't wait to enhance your vehicle's performance. Shop now and experience the difference with our premium exhaust systems!

Mid Pipes
Welcome to our Mid Pipes collection, where we offer a curated selection of high-quality mid pipes designed to enhance your vehicle's performance and style. Whether you’re looking to upgrade your exhaust system or improve your vehicle's sound, we have the perfect solution for you.
Why Choose Our Mid Pipes?
- Performance Enhancement: Our mid pipes are engineered to improve exhaust flow, increasing horsepower and torque.
- Durable Materials: Made from high-quality stainless steel and other durable materials, ensuring longevity and resistance to corrosion.
- Perfect Fit: Designed to fit a variety of vehicle models, making installation easy and hassle-free.
- Stylish Design: Enhance your vehicle's aesthetics with our sleek and modern mid pipe designs.
- Improved Sound: Achieve a deeper, more aggressive exhaust note that will turn heads.
Explore Our Collection
Our Mid Pipes collection features a variety of options suitable for different makes and models. Browse through our selection to find the ideal mid pipe that meets your needs:
- Cat-Back Mid Pipes
- Resonated and Non-Resonated Options
- Custom Fit Mid Pipes for Various Brands
- Performance Mid Pipes with High Flow Design
Shop with Confidence
With our Mid Pipes collection, you can shop with confidence knowing that you are getting top-notch products backed by our satisfaction guarantee. Elevate your driving experience today!