Turbosmart Kompact Plumb Back Diverter Valve for Audi A4 1.8T and S3 1.8T, Part Number TS-0203-1222

Full recirculating BOV. The Plumb Back system recirculates all excess pressure back into the intake system. Great for enthusiasts who do not want to be noticed but want the performance and reliability benefits of a quality BOV.
Full recirculating BOV. The Plumb Back system recirculates all excess pressure back into the intake system. Great for enthusiasts not wanting to be noticed but wanting the performance and reliability benefits of a quality BOV.
Note: that this will require two valves for twin-turbo applications, such as the Audi S4 2.7L (B5) 97-01.
Audi A3 1.8T 20v 1996-2003; Audi A4 1.8T 20v 1997-2006; Audi A6 1.8T 20v 1997-2004; Audi S3 1.8T 20v 1999-2003; Audi TT 1.8T 20v 1998-2006; Bentley GT Continental 2003-current; Fiat Coupe 16 20V 1993-2000; Fiat Punto GT 1993-1999; Fiat Uno Mk1 1985-1989; Fiat Uno Mk2 1989-1995; Ford XR6 BA Turbo 2002-2005; Ford XR6 BF Turbo 2005-2008; Ford XR6 FG Turbo 2008-2014; Ford Sierra Cosworth 2WD & 4WD 1986-1992; Lancia Delta HF 1.6L 1979-1994; Lancia Delta Integrale 2.0L 8 16V 1989-1994; Mazda MX5 SP & SE 2004-2005; Peugeot 406 Sri 1997-1999; Peugeot 605 Sri 1991-1999; Porsche 911 (964) 1990-1994; Porsche 911 Turbo (993) 1995-1998; Porsche 911 Turbo (996) 1999-2005; Porsche 944 1985-1991; Porsche Cayenne Turbo 2006-current (requires two valves); Saab 900 Turbo 1979-1993; Saab 9000 1990-1998; Saab 93 1999-current; Saab 95 1997-2012; Volvo 440 1987-1997; Volvo 480 1988-1995; Volvo 740 1984-1992; VW Golf Mk4 1.8 20v 1998-2006; VW Jetta 1.8 20v 1999-2006; VW Passat 1.8 20v 1999-2005; VW Polo GTI 1.8 20v 2005-2009; VW New Beetle 1.8 20v 1998-2011

The Turbosmart TS-0203-1222 is a full recirculating blow-off valve (BOV) designed specifically for select Audi, Porsche, Volkswagen, and other turbocharged vehicles. Featuring a plumb back system, this BOV recirculates excess pressure back into the intake system, providing a quieter operation ideal for enthusiasts who prefer performance and reliability without loud compressor noises. Crafted from durable materials, it ensures consistent boost control and long-lasting performance under demanding conditions. This model is suitable for vehicles like the Audi A4 1.8T, S3 1.8T, and other compatible turbocharged cars, facilitating smooth throttle response and enhanced engine stability.
Note: For twin-turbo applications such as the Audi S4 2.7L, two valves are required. Proper installation and compatibility should be verified prior to use. The TS-0203-1222 complies with industry standards and is engineered for easy integration into your existing turbo system. Its compact design makes it suitable for a wide range of vehicles, ensuring a reliable upgrade for performance-minded drivers.
Designed with precision, the Turbosmart Kompact Plumb Back Diverter Valve offers a perfect balance of performance, durability, and discretion, making it an excellent choice for those seeking a high-quality BOV that operates quietly while maintaining optimal boost control. Whether upgrading an existing system or building a custom setup, this valve delivers the performance and peace of mind you require for spirited driving or daily use.

Features:

• Full recirculating design for quieter operation

• Plumb back system recirculates excess pressure into the intake

• Compatible with a wide range of turbocharged vehicles including Audi, Porsche, VW, Fiat, Ford, Lancia, Mazda, Peugeot, Saab, Volvo, and more

• Durable construction for reliable performance

• Easy to install with proven boost control