Description
The Milltek SSXAU423 is a Large-Bore Downpipe designed to work with the Milltek Sport Cat-Back Exhaust System. This downpipe is a critical upgrade for turbocharged performance vehicles, as it improves exhaust flow and increases power output by reducing restriction and allowing gases to exit the engine more efficiently. When combined with the Hi-Flow Sports Catalyst, this system provides substantial performance gains and enhances the sound of the vehicle.
Key Features:
- SKU: SSXAU423
- Product Type: Downpipes, Sport Cats & Manifolds
- Resonated: Not Applicable (This part focuses on gas flow and performance, not sound attenuation)
- Tip Finish: Not Applicable (This part does not include exhaust tips)
- Tip Shape: Not Applicable
- Pipe Diameter: 76mm (3")
- EC Approved: Yes
- Motorsport Use Only: No (This part is street legal in applicable areas)
- Required Modifications: Stage 2 ECU Remap (to fully optimize performance)
Performance and Sound:
- Increased Efficiency: The larger diameter of the downpipe (76mm) allows more exhaust gases to flow freely from the engine, reducing backpressure and improving the engine’s overall efficiency.
- Improved Power and Torque: This downpipe significantly enhances exhaust flow, contributing to greater engine performance, including noticeable gains in horsepower and torque.
- Enhanced Sound: When paired with the Milltek Sport Cat-Back Exhaust System, the Hi-Flow Sports Catalyst and large-bore downpipe work together to produce a more aggressive and refined exhaust note, adding to the driving experience.
Compatibility:
- Audi S3 8V/8V.2 (2013–2018)
- Engine: 2.0 TFSI Quattro
- Models: 3-Door, Sportback, Saloon & Cabrio
- Volkswagen Golf MK7 (2013–2017) and MK7.5 R (2017–2020)
- Engine: 2.0 TSI (300PS for MK7, 310PS for MK7.5)
- Models: MK7 R, MK7 Estate, MK7 Alltrack, MK7.5 R (Non-GPF Equipped Models)
- Note: For Non-GPF Equipped Models only (models without Gasoline Particulate Filters)
Required Modifications:
- Stage 2 ECU Remap: For optimal performance, this downpipe should be paired with a Stage 2 ECU remap. This allows the vehicle's engine management system to fully accommodate the increased airflow and unlock the full performance potential of the system.
Why Choose Milltek Sport?
- High-Quality Construction: The downpipe is made from 304L Stainless Steel, which provides excellent resistance to corrosion and ensures longevity even under high-performance conditions.
- Tailored for Performance: The Milltek Large-Bore Downpipe is engineered to enhance the performance of turbocharged engines, making it ideal for owners who want to extract more power and sound from their vehicle.
- Optimized Sound: By reducing exhaust restrictions, this downpipe complements the sound of your engine, resulting in a more aggressive and sporty exhaust note when used with a Milltek Cat-Back System.
Fitting Guide:
Audi S3 8V | 8V.2 (2013–2018)
- Engine: 2.0 TFSI Quattro
- Models: 3-Door, Sportback, Saloon & Cabrio
Volkswagen Golf MK7 (2013–2017) & MK7.5 R (2017–2020)
- Engine: 2.0 TSI 300PS (MK7) & 310PS (MK7.5)
- Models: MK7 R, Estate, Alltrack, MK7.5 R (Non-GPF Equipped Models)
Additional Information:
- Hi-Flow Sports Catalyst: The Hi-Flow Sports Catalyst is a key feature that reduces the restriction over standard OEM catalytic converters. This allows the exhaust gases to pass through more freely, improving the performance of the vehicle and enhancing the sound.
- Street Legal: Unlike some other performance parts, this downpipe is EC approved for road use in areas where such approvals are applicable.
- Pairing: Designed to fit with the Milltek Sport Cat-Back System only. It’s important to use this downpipe as part of a complete performance exhaust system to ensure optimal gains.
