Guangzhou KOSDA Auto Parts Co.,Ltd
| Warranty | 2 Years Limited Warranty |
| Delivery Time | 15-28 Working Days After Payment |
| Weight | 2.5 kg |
| Material | Aluminum Alloy |
| Payment Terms | T/T,western union |
| Productname | Car Intake System |
| Durability | Corrosion Resistant |
| Installationtype | Bolt-On |
| Packaging Details | Standard Export Carton Box |
| Noiselevel | Enhanced Induction Sound |
| Color | Black |
| Airflowincrease | Up to 20% |
| Supply Ability | 500 Sets / Month |
| Filtermaterial | Cotton Gauze |
| Maintenance | Reusable and Washable Filter |
| Compatibility | Universal Fit for Most Cars |
| Filtertype | High-Flow Air Filter |
| Temperaturerange | -40°C to 120°C |
| Model Number | NA-CB-5069-SS-WG |
| Brand Name | KYOSTAR |
| Certification | Standard |
| Place of Origin | China |
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Product Specification
| Warranty | 2 Years Limited Warranty | Delivery Time | 15-28 Working Days After Payment |
| Weight | 2.5 kg | Material | Aluminum Alloy |
| Payment Terms | T/T,western union | Productname | Car Intake System |
| Durability | Corrosion Resistant | Installationtype | Bolt-On |
| Packaging Details | Standard Export Carton Box | Noiselevel | Enhanced Induction Sound |
| Color | Black | Airflowincrease | Up to 20% |
| Supply Ability | 500 Sets / Month | Filtermaterial | Cotton Gauze |
| Maintenance | Reusable and Washable Filter | Compatibility | Universal Fit for Most Cars |
| Filtertype | High-Flow Air Filter | Temperaturerange | -40°C to 120°C |
| Model Number | NA-CB-5069-SS-WG | Brand Name | KYOSTAR |
| Certification | Standard | Place of Origin | China |
| High Light | KYOSTAR cat back straight pipe ，BMW G90 cat back straight pipe ，KYOSTAR 304 ss cat back exhaust system | ||
The KYOSTAR Valved Sport Catback Exhaust System is designed for 2025+ BMW G90 M5 and G99 M5 Touring models equipped with the S68 4.4T twin-turbo V8 engine. Developed as a high-performance exhaust upgrade, this system improves exhaust flow efficiency, enhances the aggressive V8 exhaust character, and provides 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 demanding driving conditions. The 4-tip performance design complements BMW M styling while allowing drivers to switch between a refined cruising tone and a more aggressive sport exhaust sound.
Valved exhaust design provides adjustable sound control between comfortable cruising and aggressive performance modes.
Stainless steel construction offers excellent heat resistance, corrosion protection, and long-term durability.
Optimized exhaust flow design helps reduce restriction and enhances the S68 twin-turbo V8 exhaust response.
4-tip performance exhaust design improves rear appearance with a premium BMW M-inspired styling upgrade.
Direct-fit catback system is engineered specifically for BMW G90 M5 and G99 M5 Touring applications.
2025+ BMW G90 M5
2025+ BMW G99 M5 Touring
Compatible Vehicle: Designed for BMW G90 M5 and G99 M5 Touring models equipped with the S68 4.4T twin-turbo V8 engine.
Incompatible Vehicle: Not compatible with BMW F90 M5, S63 engine platforms, or other non-G90/G99 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.
| Brand | KYOSTAR |
| SKU | NA-CB-5069-SS-WG-1 |
| Product Type | Valved Sport Catback Exhaust System |
| Vehicle Fitment | BMW G90 M5 / G99 M5 Touring |
| Engine | S68 4.4T Twin-Turbo V8 |
| Chassis | G90 / G99 |
| Application | BMW M Performance Exhaust Upgrade |
| Material | Stainless Steel |
| Benefits | Improved Exhaust Flow, Adjustable Exhaust Tone, Enhanced V8 Sound, Reduced Exhaust Restriction |
| Finish | Natural Stainless Steel Finish |
| Pipe Material | Stainless Steel |
| Valve Type | Valved Exhaust System |
| Exhaust Type | Catback Exhaust System |
| Tip Style | 4-Tip Performance Design |
| Installation | Bolt-On Installation |
| Package Includes | Complete Catback Exhaust System, Valve Components, Installation Hardware |
| Condition | Brand New |
The KYOSTAR Valved Sport Catback Exhaust System is designed for 2025+ BMW G90 M5 and G99 M5 Touring models equipped with the S68 4.4T twin-turbo V8 engine. Please confirm your vehicle Year, Chassis, and Engine before purchase.
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.
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.
The KYOSTAR valved catback exhaust improves exhaust flow, enhances S68 V8 exhaust sound, provides adjustable volume control, and delivers a more engaging performance driving experience.
Professional installation is recommended.
KYOSTAR products are quality inspected before shipment. Please contact our support team for installation assistance or after-sales support.
Company Details
Business Type:
Manufacturer,Seller
Year Established:
2011
Total Annual:
7000000-10000000
Employee Number:
50~100
Ecer Certification：
Verified Supplier
Automotive Performance Parts Supply Built for the aftermarket.Ready for your business. KYOSTAR supplies performance automotive parts and practical sourcing support for distributors, performance shops, retailers, and private-label brands worldwide. REQUEST A QUOTE Who We Are One partner.More p... Automotive Performance Parts Supply Built for the aftermarket.Ready for your business. KYOSTAR supplies performance automotive parts and practical sourcing support for distributors, performance shops, retailers, and private-label brands worldwide. REQUEST A QUOTE Who We Are One partner.More p...
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