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Description
BBK 99-04 Mustang 4.6 GT / Cobra High Flow X Pipe With Catalytic Converters - 2-1/2BBK High Flow performance X pipes are designed to maximize the horsepower and torque of your 1999 2004 Ford Mustang GT 4. 6L 2V and Cobra 4. 6L 4V. Every BBK Performance X pipe is designed as a direct replacement for the factory pipe and features larger diameter 16 gauge 2 1 2 in. CNC mandrel bent aluminized steel tubing with a unique BBK center X section for improved exhaust extraction, along with high flow catalytic converters to help increase
BBK High Flow performance X pipes are designed to maximize the horsepower and torque of your 1999-2004 Ford Mustang GT 4.6L 2V and Cobra 4.6L 4V. Every BBK Performance X pipe is designed as a direct replacement for the factory pipe and features larger diameter 16 gauge 2-1/2 in. CNC mandrel bent aluminized steel tubing with a unique BBK center X section for improved exhaust extraction, along with high flow catalytic converters to help increase exhaust flow and maximize performance to the rear wheels. These BBK full catted X pipes will install directly to the factory shorty exhaust headers or any aftermarket shorty exhaust and feature factory O2 sensor placement for simple direct installation. A BBK catted X pipe is the best way to really improve your Mustangs exhaust flow over the restrictive factory pipe to increase overall performance, plus it will sound great with an additional V8 muscle car growl. Please Note. This BBK product is not legal for use in some states including California: Please check your local emission laws and requirements.This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 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 |
Shipping Notes
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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4.5 ★★★★★
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Product Reviews
★★★★★ 3
NightNight PJS
Color: Light Khaki, Size: XX-Large
more like pajamas than a casual set.
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Reviewed in the United States on May 31, 2026
★★★★★ 5
Perfect Fit
Color: Navy Blue, Size: XX-Large
Perfect fit
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Reviewed in the United States on February 10, 2026
★★★★★ 5
Nice shirt.
Color: Black, Size: XX-Large
Good neck height, not too high, firm neck grip without the choke feel. Clean look when wearing under an open shirt or looks good alone, Soft feel against the skin, and it washes well, no pulling or color fade. semi-form-fitting on the body, but not tight for the size. priced well.
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Reviewed in the United States on May 25, 2026
★★★★★ 5
T-Shirts
T-Shirts are very nice. They run small. Order 1 size up
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Reviewed in the United States on December 31, 2025
★★★★★ 3
Mock turtle neck sagged and did not fit well.
Shirt is well made. Collar not so much. Sagged and did not fit well. Donated to Goodwill.
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Reviewed in the United States on April 29, 2026