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Bbk

Bbk

BBK 99-04 Mustang 4.6 GT / Cobra High Flow X Pipe With Catalytic Converters - 2-1/2

SKU: BBK1670

Exhaust Crossover Pipes

BBK X Pipe Exhaust...

Bbk

Bbk

BBK 99-04 Mustang 4.6 GT / Cobra High Flow X Pipe With Catalytic Converters - 2-1/2

SKU: BBK1670

Exhaust Crossover Pipes

BBK X Pipe Exhaust...

A$1,885.53
IN STOCK! Est Ship 4-7 days. In stock at 1 location (6 available)

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Description

Exhaust X-Pipe - High-Flow - Catted - 2.5 in Diameter - Steel - Aluminized - Ford Modular - Ford Mustang 1999-2004 - Each

ExhstCrossoverPipe

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" CNC mandrel bent stainless 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.

Additional Information

High-Flow Full X-Pipe Assembly; 2.5 in.; X-Pipe w/2 High Flow Catalytic Converters; Direct Fit;

Part Type

Exhaust X Pipe

Data: v4.2 - Upd: 2026-11-07 23:33:38

Features

  • High Flow Catalytic Converters for Maximum Exhaust Flow - Direct Replacement - Mandrel Bent Tubing
  • Made In The USA

Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.

Specifications

Product Downloads

# Document Type Download
1. Installation Instructions

Installation guides, warranty details, and other supporting documents are provided by the supplier. In some cases, these files may originate from regions outside your locale, meaning instructions, warranty procedures, and images may not fully align with your specific vehicle or region (e.g., LHD vs. RHD differences, return policies, etc.). If you need clarification, please contact a StreetFX support agent.

Data: v2 - Desc: v4.2 - Upd: 2026-11-07 16:57:43

Reference Information

Reference Data (Provide these details to our support team)
Brand Name/s Bbk, Bbk Performance, BBK Performance Parts
StreetFX SKU bbk1670
SFX Item ID 4194146
Accounting SKU bbk-1670
Manufacturer SKU 1670
Manufacturer UPC 197975016706
Alternative References 1670, BBK-1670

Crossover Pipe, X-Pipe, with Converters, Steel, Aluminized, 2.5 in. Diameter, 4.6L, Kit

Stock exhausts generally strangle high-performance engines, but BBK has the answer for Mustang owners. Their Extractor series X-Chamber mid-pipes benefit from the company's die-stamped X-Chamber crossover, and can give you 12 to 25 more ponies right out of the box. Extractors are made from fully aluminized, 16-gauge, 2 1/2 in. tubing that's CNC mandrel-bent and set up with die-stamped flanges for excellent fit and easy installation. Street applications have catalytic converters; off-road-only types do not.

Product Attributes
BrandBBK Performance
Manufacturer's Part Number1670
Part TypeExhaust Crossover Pipes
Product LineBBK Extractor Series X-Chamber Mid-Pipes
UPC197975016706
Header StyleShorty
Pipe StyleX-pipe
Pipe Diameter (in.)2.500 in.
Includes Catalytic ConvertersYes
Pipe MaterialSteel
Pipe FinishAluminized
Oxygen Sensor Bung IncludedYes
QuantitySold as a kit.
NotesX pipes are designed as direct bolt on to factory headers and many aftermarket shorty headers.

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