A 4-inch closed vacuum exhaust cutout valve made of stainless steel 304. It operates under negative pressure and is suitable for gasoline engines
A 3.5" Vacuum Exhaust Cutout (open style) opens under vacuum pressure for a louder exhaust note and improved performance, remaining closed at idle.
A 3.5" Vacuum Exhaust Cutout (closed style) stays closed under vacuum for quieter operation and opens when vacuum pressure is released for increased exhaust flow.
A 3" Vacuum Exhaust Cutout (open style) opens under vacuum pressure for a louder exhaust note and improved performance, remaining closed at idle.
A 3" Vacuum Exhaust Cutout (closed style) remains closed under vacuum for quieter operation and opens when vacuum pressure is released for enhanced exhaust flow.
The Exhaust Valve Muffler Cutout Pipe 3.5" allows for adjustable exhaust flow, enhancing performance and providing an aggressive sound when opened.
The Exhaust Valve Muffler Cutout Pipe 3" allows for adjustable exhaust flow, enhancing performance and providing an aggressive sound when opened.
A 3.5" Boost Exhaust Cutout (open style) opens automatically under boost pressure for a more aggressive exhaust sound and enhanced performance.
A 3.5" Boost Exhaust Cutout (closed style) remains closed at idle and opens automatically under boost for improved exhaust flow and performance.
A 3" Boost Exhaust Cutout (open style) opens automatically under boost pressure for a louder exhaust sound and enhanced performance.
A 3" Boost Exhaust Cutout (closed style) opens automatically under boost to enhance performance while staying closed for quieter operation at idle.
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