BBK
BBK 99-04 Mustang 4.6 GT / Cobra High Flow X Pipe With Catalytic Converters - 2-1/2 - 1670
- SKU:
- BBK1670
- UPC:
- 197975016706
- MPN:
- 1670
- Availability:
- Regularly stocked product
Description
Will this exhaust fit my 1999-2004 Ford Mustang?
This BBK X Pipe exhaust system is engineered to precisely fit your 1999-2004 Ford Mustang, ensuring a direct and proper installation.
Is professional installation of the BBK X Pipe exhaust recommended?
Professional installation is recommended for the BBK X Pipe exhaust to guarantee optimal fitment and unlock its maximum performance gains.
BBK X Pipe exhaust maximizes performance for your 1999-2004 Ford Mustang, achieving a high score in engine performance and street use. Featuring larger diameter 2-1/2 inch aluminized steel tubing and high flow catalytic converters, this catback system significantly enhances exhaust extraction. Trust this catback to deliver the exhilarating performance and aggressive sound you desire.
What Owners Say
Owners and enthusiasts consistently praise the BBK X Pipe for delivering excellent flow and a quality sound upgrade, particularly when paired with BBK long tube headers. The X-pipe configuration produces a noticeable burble and muscular tone that enthusiasts appreciate during both casual cruising and spirited driving. Some users note concerns about overall volume when combining the X-pipe with already loud axle-backs, wanting to avoid an overly aggressive or "rice-y" sound, though most find the tone remains deep and satisfying. A few owners have reported long-term durability issues with catalytic converters after extended use. Overall, the BBK X Pipe has earned solid recognition in the Mustang community for sound quality and performance gains.
Key Features
- larger diameter 16 gauge 2-1/2 in. CNC mandrel bent aluminized steel tubing
- unique BBK center X section for improved exhaust extraction
- high flow catalytic converters to help increase exhaust flow and maximize performance
- factory O2 sensor placement for simple direct installation
- High Flow Catalytic Converters for Maximum Exhaust Flow
- Mandrel Bent Tubing Made In The USA
Why Choose the BBK X Pipe Exhaust
Delivers a more aggressive, exhilarating exhaust note that commands attention.
Achieves a noticeable surge in horsepower and torque for thrilling acceleration.
Provides a smoother, more efficient exhaust flow for optimized engine response.
Transforms your Mustang's performance with a direct, hassle-free installation.
Who Is This For?
Street Performance — 9/10
Larger diameter tubing and high flow cats increase exhaust flow.
Engine Performance — 9/10
High flow catalytic converters maximize performance and exhaust flow.
Drag Racing — 8/10
Increased exhaust flow aids in maximizing engine performance.
Track / Autocross — 8/10
Performance gains from improved exhaust extraction and flow.
Easy DIY Install — 7/10
Factory O2 sensor placement allows for simple direct installation.
Exhaust Note / Sound — 6/10
X pipe design typically alters exhaust note for sportier sound.
Additional Resources
Important Notices
⚠️ CARB Notice: This product is NOT legal for street use in California under CARB (California Air Resources Board) regulations. For off-road or race use only.
⚠️ Proposition 65 Warning: This product can expose you to chemicals including lead and/or other substances known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.
Browse More: Shop All Catback — Exhaust, Mufflers & Tips
Additional Information
CARB: |
This product is not CARB Legal and not for sale in California |
Clearance Item: |
N |
MPN: |
1670 |
Proposition 65: |
Y |
Case Lot Quantity: |
1 |
Category: |
Exhaust, Mufflers & Tips>Catback |
Product Level: |
Premium Performance |
Street Performance: |
9/10 |
Engine Performance: |
9/10 |
Drag Racing: |
8/10 |
Track / Autocross: |
8/10 |
Easy DIY Install: |
7/10 |
Exhaust Note / Sound: |
6/10 |
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