APR Performance drivetrain / engine component

Fits 1976–1983 Porsche 911

Part #: DV100001

Overview

The APR R1 Diverter Valve is a high-performance upgrade designed specifically for Porsche 911 models from 1976 to 1983. This component replaces the factory unit, which can be prone to failure over time, especially under demanding driving conditions. The R1 is engineered to handle extreme boost pressures, making it an ideal choice for enthusiasts seeking reliable, consistent performance at all levels of tuning. Its friction-free diaphragm-based design ensures rapid response, helping to optimize turbo response and boost control. Constructed from CNC-machined billet aluminum and featuring a high-temperature Nomex-reinforced diaphragm, the R1 offers durability and longevity, making it a maintenance-free solution that supports your vehicle’s performance needs for years to come.

Key Features

• Constructed from CNC-machined billet aluminum for strength and precision
• High-temperature Nomex-reinforced diaphragm for durability under extreme conditions
• Friction-free diaphragm-based design for lightning-fast response
• Replaces factory diverter valves prone to failure, enhancing reliability
• Supports high boost pressures for aggressive driving and tuning
• Virtually maintenance free, requiring no greasing or o-ring replacements
• Designed for easy installation and long-term performance

Construction & Design

The APR R1 Diverter Valve features CNC-machined billet aluminum construction, ensuring a precise fit and exceptional durability. Its high-temperature Nomex-reinforced diaphragm is engineered to withstand the rigors of high-performance boosting, providing consistent operation even under extreme conditions. The friction-free diaphragm-based design minimizes response lag and reduces the likelihood of sticking or binding, especially in cold weather, making it a reliable upgrade for year-round driving.

Performance & Response

This diverter valve is designed to deliver rapid boost response, supporting optimal turbocharger performance and improving throttle response. Its robust construction ensures consistent operation at high boost levels, helping your Porsche 911 maintain peak performance during spirited driving or track use. The R1’s maintenance-free design means you can enjoy reliable boost control without frequent adjustments or replacements, giving you confidence in your vehicle’s performance.

Installation & Fitment

The APR R1 Diverter Valve is engineered for straightforward installation on compatible Porsche 911 models from 1976 to 1983. Its precise CNC-machined components ensure a secure fit, and the design allows for quick replacement of the factory unit without extensive modifications. Proper installation helps maximize the performance benefits and reliability of your vehicle’s turbo system.