Milltek 3'' Large Bore Downpipe & Sports Pipe For Ford Focus ST Mk2 - Silver - SSXFD167

Name: Milltek 3'' Large Bore Downpipe & Sports Pipe For Ford Focus ST Mk2 - Silver - SSXFD167
Brand: Milltek
SKU: uzwnwvap3a
Availability: InStock

Unleash your engine's full potential with the Milltek Large Bore Downpipe With De Cat. Specificall...

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Product Information

Full details

The Milltek Large Bore Downpipe with De Cat (SSXFD167) is designed for Ford Focus ST Mk2 owners seeking significant engine performance upgrades. Its primary benefit is the substantial increase in power and improved throttle response by optimizing exhaust gas flow and reducing turbo lag. A key caveat is that this de-cat system is not street legal for public roads in the UK manufactured after March 1, 2001, and will require a remap. Key features include increased power gains, high-quality construction for longevity, suitability for advanced performance packages, and an optimal flow rate.

All features

Colour	Silver
Model Part Number	SSXFD167
Brand	Milltek

Extended Product Information

FAQs

Is this downpipe legal for road use?

No, this de-cat downpipe is not legal for use on public roads in the UK for vehicles manufactured after March 1, 2001. It is intended for off-road, track, or motorsport use only, as it will cause the vehicle to fail emissions tests.

What kind of power gains can I expect?

Significant power and torque gains are expected, especially when combined with a Stage 2 remap. The exact figures can vary depending on the specific vehicle and the complete tuning package.

Do I need to remap my ECU after installing this part?

Yes, a remap is essential. The ECU needs to be recalibrated to interpret the different readings from the oxygen sensors after the catalytic converter is removed to avoid error codes and ensure optimal performance.

What is the warranty on this product?

Milltek Sport offers a lifetime warranty for the original purchaser of the downpipe, subject to terms and conditions. High-flow sports catalysts and downpipes specifically are covered by a 2-year / 80,000Km guarantee.

What materials is the downpipe made from?

The downpipe is precision-engineered using high-quality stainless steel, ensuring durability and sustained peak performance.

Can I install this myself?

While installation involves replacing an existing part, professional fitting is highly recommended, especially considering the necessity of an ECU remap and ensuring proper sealing of exhaust connections.

What is the main benefit of a de-cat downpipe?

The primary benefit is maximizing exhaust gas flow and reducing turbo lag by eliminating the restrictive catalytic converter. This leads to increased power, torque, and improved engine efficiency.

Troubleshooting

Check Engine Light (CEL) illuminates after installation.

This is expected as the catalytic converter has been removed. A specific ECU remap is required to adjust for the new sensor readings and prevent the CEL.

Vehicle fails emissions test.

This is due to the absence of a catalytic converter. The product is not intended for road-legal use where emissions tests are mandatory unless specifically ECE 103R approved (which this de-cat version is not).

Exhaust leak at connection points.

Ensure all clamps and bolts are tightened correctly during installation. Check the condition of any gaskets used. Professional installation may be required to ensure a proper seal.

Reduced performance or rough running.

Confirm that the ECU has been correctly remapped to suit the new downpipe. An incorrect remap can lead to poor performance.

Pros and Cons

Pros

Significant power and torque increases, especially when combined with a Stage 2 remap.
Improved throttle response and engine efficiency.
Optimized exhaust flow and reduced turbo lag.
High-quality construction ensures durability and longevity.
Designed for high-performance applications and advanced engine tuning.

Cons

Not legal for use on public roads in the UK for vehicles manufactured after March 1, 2001, due to the de-cat configuration.
Will cause the vehicle to fail the MOT emissions test if fitted for road use.
Requires an ECU remap to function correctly and avoid error codes.
Warranty terms and conditions apply, with specific coverage for sports catalysts/downpipes.
Primarily intended for track or off-road use due to emissions regulations.

Setup, Compatibility & Care

Setup:

This downpipe is designed as a direct replacement for the original catalytic converter on the Ford Focus ST Mk2. Installation typically involves unbolting the stock exhaust section and fitting the Milltek Large Bore Downpipe in its place. Due to the nature of the modification and the need to recalibrate engine management systems, professional installation is highly recommended.

Compatibility:

This specific part number, SSXFD167, is designed for the Milltek 3'' Large Bore Downpipe & Sports Pipe for the Ford Focus ST Mk2.

Important Note on Legality:

*Please be aware:* Sports cats and de-cat pipes cannot legally be installed on a vehicle for use on a public road that was manufactured after March 1, 2001, unless type ECE 103R approved. Fitting a De Cat or GPF delete/bypass to a vehicle intended for UK road use will cause it to fail the MOT emissions test, rendering it unroadworthy and illegal. Replacing your stock catalytic converter will almost always require a remap, as the ECU will receive different readings from the Lambda sensors, likely resulting in error codes.

Care:

The downpipe is constructed from high-quality stainless steel. Regular visual inspection for any signs of damage or corrosion is advisable. Cleaning can be done with a damp cloth and mild detergent. Avoid abrasive cleaners that could damage the finish.