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

KYOSTAR Valved Sport Catback Exhaust System for BMW F90 M5 S63 4.4T Twin-Turbo V8 Engine

The KYOSTAR Valved Sport Catback Exhaust System is designed for 2018-2023 BMW F90 M5 models equipped with the S63 4.4T twin-turbo V8 engine. Developed as a performance exhaust upgrade, this system improves exhaust flow efficiency, reduces factory exhaust restriction, and enhances the aggressive V8 exhaust character with adjustable sound control through an integrated valve system.

Manufactured from durable stainless steel with precision fabrication, the KYOSTAR valved catback exhaust system delivers improved exhaust performance, enhanced rear styling, and reliable operation under high-performance conditions. The 4-tip design complements the BMW M appearance while the valve-controlled system allows drivers to switch between a refined daily driving tone and a louder sport exhaust sound.

Features

• Valved exhaust technology provides adjustable sound control for comfortable cruising and aggressive performance driving.

• Stainless steel construction offers excellent heat resistance, corrosion protection, and long-term durability.

• Optimized catback exhaust design improves exhaust flow and reduces factory exhaust restrictions.

• 4-tip performance exhaust styling enhances the rear appearance with a BMW M-inspired upgrade.

• Designed specifically for BMW F90 M5 models equipped with the S63 4.4T twin-turbo V8 engine.

Fitment

• 2018-2023 BMW F90 M5

Notes

Compatible Vehicle: Designed for BMW F90 M5 models equipped with the S63 4.4T twin-turbo V8 engine.

Incompatible Vehicle: Not compatible with BMW G90/G99 M5 S68 engine platforms or other non-F90 exhaust configurations.

Verify Vehicle: Please confirm your vehicle Year, Chassis, Engine configuration, and factory exhaust system before ordering.

Installation: Professional installation is recommended to ensure correct exhaust alignment, valve operation, and proper sealing.

Product Details

FAQ

Q1: Will this fit my vehicle?

The KYOSTAR Valved Sport Catback Exhaust System is designed for 2018-2023 BMW F90 M5 models equipped with the S63 4.4T twin-turbo V8 engine. Please confirm your vehicle Year, Chassis, and Engine before purchase.

Q2: Does installation require modification?

This catback exhaust system is designed for direct installation using factory-style mounting locations. Professional installation is recommended to ensure proper fitment and valve operation.

Q3: Does this require ECU tuning?

No ECU tuning is required for this catback exhaust upgrade. Since the system is installed after the catalytic converter, it typically does not affect engine calibration or require additional tuning.

Q4: What performance benefits does this provide?

The KYOSTAR valved catback exhaust improves exhaust flow, enhances S63 V8 sound, provides adjustable exhaust volume control, and delivers a more engaging performance driving experience for BMW M5 applications.

Professional installation is recommended.

KYOSTAR products are quality inspected before shipment. Please contact our support team for installation assistance or after-sales support.