KYOSTAR Valved Sport Catback Exhaust System for 2018-2023 BMW F90 M5 S63 4.4T V8

KYOSTAR Valved Sport Catback Exhaust System for 2018-2023 BMW F90 M5 S63 4.4T V8

Product Overview

KYOSTAR Valved Sport Catback Exhaust System is designed for the 2018-2023 BMW F90 M5 equipped with the S63 4.4T Twin Turbo V8 engine. This complete exhaust upgrade improves exhaust flow, reduces factory exhaust restriction, and enhances the aggressive V8 exhaust character while providing adjustable sound control through an integrated valve system.

Manufactured from high-quality stainless steel with precision fabrication, this valved catback exhaust system delivers improved exhaust efficiency, deeper V8 sound, and an upgraded rear appearance with a performance 4-tip design. The valve-controlled system allows drivers to switch between a refined daily driving tone and a louder performance exhaust note, making it an ideal upgrade for BMW M5 owners.

Product Highlights

• Performance Benefit: Improves exhaust flow and reduces restriction, helping the S63 Twin Turbo V8 achieve improved exhaust efficiency and response.

• 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, allowing quiet cruising and aggressive V8 performance sound.

• Compatibility Advantage: Specifically engineered for BMW F90 M5 models equipped with the S63 4.4T Twin Turbo V8 engine.

Vehicle Fitment

• 2018-2023 BMW F90 M5 S63 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 BMW F90 M5 S63 4.4T V8 applications.

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 the 2018-2023 BMW F90 M5 equipped with the S63 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 other 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.