NT Auto Performance
Valved Catback Exhaust for Honda Civic Si (11th Gen) (2022–2025)
Valved Catback Exhaust for Honda Civic Si (11th Gen) (2022–2025)
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This valved catback exhaust system allows you to switch anytime between quiet OEM-style comfort and a louder, more aggressive performance tone. Built from high-grade 304 stainless steel with precision TIG welding, it offers strong durability, corrosion resistance, and a clean factory-style finish. The system is fully bolt-on with no cutting or welding required, making installation simple for most exhaust shops. Designed specifically for the 11th-generation Civic Si, it improves exhaust flow and throttle response while delivering a deeper and more refined sound when the valve is open.
Fitment: Compatible with Honda Civic Si 11th Generation (2022–2024). Fitment can be confirmed using VIN or rear exhaust photo if needed.
What’s Included:
Mid-pipe + rear valved catback system
Mounting hardware and clamps
Wireless valve controller or factory valve integration depending on configuration
Sound Characteristics:
Cold Start: deeper and more noticeable tone
Valve Open: loud, sporty, and performance-focused sound
Valve Closed: close to OEM comfort for daily use and night-time driving
Shipping: Ships directly from our partner factory. Estimated delivery: 2–5 weeks
Warranty: If the product arrives damaged or defective, replacement parts will be provided.
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