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The iconic CAPRISTO valve exhaust system offers the best of both worlds, producing an aggressive exhaust note under acceleration and a more subdued sound for city driving. This system includes 250-cell sport catalytic converters that maximize performance and weight savings (approximately 8 kg less) as a complete solution.
For use only with original equipment footboards
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This feature is achieved by using vacuum-actuated valve flaps that open and close depending on driving conditions and driver input. At low engine speeds and during cruising, the valves are closed, producing a deeper exhaust note. At full throttle, the valves open, releasing the full engine symphony.
The exhaust valves are backpressure-controlled and user-programmable via the included CES-3 control module. The programmable control unit provides 3 modes operated via a remote key fob:
Cruise exhaust valves open at higher rpm
Sport exhaust valves open at low rpm and under hard acceleration
Open exhaust valves remain open
Both Cruise and Sport modes can be individually programmed for specific backpressure tolerances to determine when the exhaust valves open. This allows for precise exhaust control based on personal taste and driver tolerance.
This system includes sport catalytic converters to maximize performance and weight savings (approximately 8 kg less) as a complete solution. High-performance catalytic converters feature a 250-cell-per-square-inch substrate made from the highest-quality materials available today, designed to improve airflow for your vehicle and increase performance.
The cell count of a catalytic converter substrate refers to the number of holes per square inch and is a direct indication of the flow capabilities of that substrate. The lower the hole count, the larger the hole must be to fill a square inch; a larger hole subsequently allows more exhaust gas to flow.
All that high flow won't help if the substrate is "squeezed" into a can or pipe that's too small in diameter. For this reason, CAPRISTO Sports Cats are packaged in 5.2-inch packages to maximize exhaust gas flow and valved exhaust system operation.
CAPRISTO exhaust systems are designed and manufactured using advanced 3D laser scanning, CAD design, digital prototyping, and CNC bending/milling at our facility in Germany. Each system is machined from high-quality T309 (1.4828) stainless steel and hand-polished to a mirror-like finish. After extensive research, this specific alloy was chosen for its sound resonance properties, low weight, and durability that are close to the properties of Inconel (used in F1).
IMPORTANT
The exhaust system is designed to be installed directly into existing OEM mounting points
Recommended for off-road and track use only
Replacing the OEM catalytic converter(s) may trigger a CEL (Check Engine Light).
To disable a recurring CEL, you will need to tune the ECU or use 02 sensor extensions.