Riva’s Exhaust Race Plate increases engine rpm (75-150rpm) resulting in more top speed (1-2mph) with correct tuning. The CNC machined T6 billet aluminum spacer installs seamlessly between exhaust manifold and cylinder head. Includes threaded ports for easy installation for EGT sensor in each exhaust port and Bosch O2 Sensor at exhaust outlet, eliminating the need for modifications to cast aluminum OEM exhaust manifold. Block-off fittings are supplied for use when sensors are not installed. Anodized to prevent corrosion and laser etched logo indicates proper orientation when installed. Includes stainless steel hardware and detailed installation instructions.

Key Features:

• Increases Engine RPM & Top Speed
• CNC machined from T6 Billet Aluminum
• Integrated EGT and Bosch O2 Sensor Ports
• Plug-n-Play Design Requires No Modifications to OEM Exhaust Manifold
• Designed for Supercharged 1503 & 1630 engines.