KYOSTAR Valved Sport Catback Exhaust System for 2025+ BMW G90 G99 M5 S68 4.4T V8

KYOSTAR Valved Sport Catback Exhaust System for 2025+ BMW G90 G99 M5 S68 4.4T V8

Product Overview

KYOSTAR Valved Sport Catback Exhaust System is designed for the 2025+ BMW G90 M5 and G99 M5 Touring equipped with the S68 4.4T Twin Turbo V8 engine. This performance exhaust upgrade improves exhaust flow, enhances the powerful V8 exhaust character, and delivers adjustable sound control through an integrated valve system.

Manufactured from high-quality stainless steel with precision fabrication, this valved catback exhaust system provides improved exhaust efficiency, enhanced rear appearance, and a more aggressive performance sound. The 4-tip design complements the factory M styling while the valve-controlled system allows drivers to switch between refined cruising sound and a louder sport exhaust tone.

Product Highlights

• Performance Benefit: Improves exhaust flow and reduces restriction, helping the S68 Twin Turbo V8 achieve improved exhaust response and performance sound.

• Material Advantage: Constructed from durable stainless steel for excellent heat resistance, corrosion protection, and long-term reliability.

• Installation Advantage: Designed as a direct-fit catback exhaust system using factory mounting locations for easier installation.

• Design Advantage: Valved exhaust technology provides adjustable exhaust tone with an aggressive 4-tip rear performance appearance.

• Compatibility Advantage: Specifically engineered for BMW G90 M5 and G99 M5 Touring models equipped with the S68 4.4T Twin Turbo V8 engine.

Vehicle Fitment

• 2025+ BMW G90 M5 S68 4.4T Twin Turbo V8

• 2025+ BMW G99 M5 Touring S68 4.4T Twin Turbo V8

Fitment Notes

Please verify your vehicle year, chassis code, and engine configuration before purchase. This valved catback exhaust system is designed specifically for the latest BMW M5 G90/G99 platform.

Valve operation may depend on the factory exhaust valve control system or included valve controller configuration. Please confirm installation requirements before installation.

Professional installation is recommended to ensure correct exhaust alignment, valve operation, and proper sealing of all connections.

Product Details

FAQ

Q1: Will this fit my vehicle?

This valved catback exhaust system fits 2025+ BMW G90 M5 and G99 M5 Touring models equipped with the S68 4.4T Twin Turbo V8 engine. Please confirm your chassis and engine before ordering.

Q2: Does installation require modification?

The exhaust system is designed for direct installation using factory mounting locations. Professional installation is recommended for proper fitment and valve operation.

Q3: Will this affect engine warning lights or tuning?

A catback exhaust system is installed after the catalytic converter and typically does not affect engine warning lights or require ECU tuning. Exhaust characteristics may vary depending on additional modifications.

Warranty & Shipping

Every KYOSTAR exhaust system is quality inspected before shipment to ensure consistent manufacturing standards. Products are securely packaged to prevent transportation damage. Our customer support team is available for installation assistance and after-sales support.