APR Audi/Porsche/Volkswagen R1 Diverter Valve Higher Pressure Spring - Blue (aprZ1001791)

OFF-ROAD OR MOTORSPORTS USE ONLY. This part is not CARB legal. It is not legal for sale or use on pollution-controlled motor vehicles in California or in other states that follow California emissions rules. It is sold for off-road or motorsports use only.

This is the APR Audi/Porsche/Volkswagen R1 Diverter Valve Higher Pressure Spring - Blue. Part aprZ1001791. Blow-off and bypass valves vent boost pressure between shifts; wastegates control maximum boost.

Fits Audi A4 97-06, A6 00-04, Allroad 01-05, RS6 03-04, S4 00-02, TT 00-06; Porsche 718 17-23, 911 76-19, 924 77-82, 930 78-79, 944 83-91, Cayenne 03-18, Macan 15-19, Panamera 10-16; VW Beetle 99-05, Golf 00-06, Jetta 00-05, Passat 98-05​

Features and benefits

• Plug and play with APR R1 DV
• Supports higher pressure
• Simple install
• Blue spring

Product details

• Part type: Blow-Off Valves & Wastegates
• Brand: APR
• Color: Blue
• Material: Steel
• Plug-and-play: Yes
• APR part number: aprZ1001791

Fitment

• Vehicle: Audi A6 / Allroad (C5), Audi S4 / S5, Porsche 718 Cayman/Boxster, Porsche 911 (964/993), Porsche 911 (991), Porsche 911 (996), Porsche 911 (997)
• Years and trims on file: 2000-2004 Audi A6 Quattro Base; 2001-2005 Audi Allroad Quattro Base; 2001-2002 Audi S4 Avant; 2000-2002 Audi S4 Base; 2017-2025 Porsche 718 Boxster Base; 2018-2019 Porsche 718 Boxster GTS; 2017-2025 Porsche 718 Boxster S; 2024-2025 Porsche 718 Boxster Style Edition; 2020-2023 Porsche 718 Boxster T; 2017-2025 Porsche 718 Cayman Base; 2018-2019 Porsche 718 Cayman GTS; 2017-2025 Porsche 718 Cayman S; plus 62 more on file
• Application listing: APR Audi/Porsche/Volkswagen R1 Diverter Valve Higher Pressure Spring - Blue
• Check the vehicle, model years, engine and trim above against your car before ordering. Not sure? Ask us and we will check it against your VIN.

Emissions: off-road or motorsports use only

This part is not CARB legal and is sold for off-road or motorsports use only. It is not intended for use on vehicles driven on public roads. By ordering, the buyer accepts responsibility for checking and following federal, state and local emissions laws where the vehicle is used. Questions? Ask us before you order.

Shipping & returns

• Orders are processed within 1–3 business days; standard delivery is 3–7 business days within the United States.
• Special order: this item is ordered from the manufacturer after you place your order. It is not shipped from stock and can take several weeks. We email you the expected ship date after you order.
• We currently ship within the U.S. only. See our Shipping Policy.
• 30-day returns on unused parts in original packaging — see our Return Policy.

Installation at Team ANBD

Team ANBD is a performance shop in Andover, New Jersey. We can align or corner-balance the car, and prep track cars. Book an appointment or ask us about installation and fitment before you order.