| Payment Terms | T/T,western union |
| Product Type | Exhaust Downpipe |
| Vehicle Fitment | BMW F90 M5 / F91 F92 F93 M8 |
| Packaging Details | Standard Export Carton Box |
| Delivery Time | 15-28 Working Days After Payment |
| Supply Ability | 500 Sets / Month |
| Engine | S63 4.4T Twin Turbo V8 |
| Brand | KYOSTAR |
| Model Number | KD5S009IN |
| Certification | Standard |
| Place of Origin | China |
| Brand Name | KYOSTAR |
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Product Specification
| Payment Terms | T/T,western union | Product Type | Exhaust Downpipe |
| Vehicle Fitment | BMW F90 M5 / F91 F92 F93 M8 | Packaging Details | Standard Export Carton Box |
| Delivery Time | 15-28 Working Days After Payment | Supply Ability | 500 Sets / Month |
| Engine | S63 4.4T Twin Turbo V8 | Brand | KYOSTAR |
| Model Number | KD5S009IN | Certification | Standard |
| Place of Origin | China | Brand Name | KYOSTAR |
| High Light | Aftermarket Exhaust Downpipe ,BMW M8 Exhaust Downpipe ,Aftermarket f90 m5 catless downpipes | ||
The KYOSTAR Exhaust Downpipe is designed for BMW S63 4.4T Twin Turbo V8 engines to improve exhaust flow efficiency, reduce backpressure, and optimize turbocharger performance. By replacing the restrictive factory downpipe components, this upgrade helps improve turbo response, throttle response, and overall exhaust efficiency for BMW M5 and M8 models.
Manufactured with high-quality stainless steel construction and precision welding, this downpipe provides excellent durability and heat resistance for high-performance applications. Featuring a heat-resistant wrapped exterior design, it helps manage exhaust temperatures while delivering improved exhaust pulse flow, enhanced turbo characteristics, and a more aggressive exhaust tone.
Performance Benefit: Improves exhaust flow and reduces backpressure, allowing the S63 twin-turbo V8 engine to achieve faster response and improved exhaust efficiency.
Material Advantage: Built from durable stainless steel with high-temperature protection for reliable performance under extreme exhaust conditions.
Installation Advantage: Designed using factory mounting points for a direct replacement installation with proper fitment.
Design Advantage: Optimized exhaust pulse design helps improve turbocharger response while providing a deeper performance exhaust tone.
Compatibility Advantage: Specifically developed for BMW F90 M5 and F91/F92/F93 M8 models equipped with the S63 4.4T V8 engine.
2018-2023 BMW F90 M5 S63 4.4T V8
2019-2023 BMW F91 M8 Convertible S63 4.4T V8
2019-2023 BMW F92 M8 Coupe S63 4.4T V8
2019-2023 BMW F93 M8 Gran Coupe S63 4.4T V8
Compatible Vehicle: Designed specifically for BMW F90 M5 and F91/F92/F93 M8 models equipped with the S63 4.4T Twin Turbo V8 engine.
Incompatible Vehicle: Not compatible with BMW models using different chassis platforms, engine configurations, or exhaust layouts.
Verify Vehicle: Please confirm your vehicle Year, Chassis Code, Engine Configuration, and existing exhaust system before ordering.
Installation: Professional installation is recommended to ensure correct alignment, exhaust sealing, proper clearance, and optimal performance. ECU tuning may be required depending on vehicle configuration.
| Brand | KYOSTAR |
| SKU | KD5S009IN |
| Product Type | Exhaust Downpipe |
| Vehicle Fitment | BMW F90 M5 / F91 F92 F93 M8 |
| Engine | S63 4.4T Twin Turbo V8 |
| Chassis | F90 / F91 / F92 / F93 |
| Application | BMW M Performance Vehicles Exhaust Upgrade |
| Material | Stainless Steel |
| Benefits | Improved Exhaust Flow, Reduced Backpressure, Faster Turbo Response |
| Pipe Diameter | Performance Diameter Design |
| Finish | Heat Resistant Wrapped Finish |
| Pipe Material | Stainless Steel |
| Exhaust Type | Performance Exhaust Downpipe |
| Cooling Method | Heat Protection Wrap |
| Installation | Bolt-On Installation |
| Package Includes | Complete Exhaust Downpipe Set + Installation Hardware |
| Condition | Brand New |
The KYOSTAR Exhaust Downpipe fits BMW F90 M5 and F91/F92/F93 M8 models equipped with the S63 4.4T Twin Turbo V8 engine. Please confirm your vehicle Year, Chassis, and Engine before purchase.
This downpipe is designed for direct installation using factory mounting locations. Professional installation is recommended for proper fitment, alignment, and exhaust sealing.
Depending on vehicle setup, aftermarket downpipes may affect oxygen sensor readings. ECU tuning or calibration may be required to optimize performance and properly manage engine parameters.
The KYOSTAR exhaust downpipe improves exhaust flow, reduces backpressure, enhances turbocharger response, and delivers a more aggressive exhaust character for BMW S63 4.4T Twin Turbo V8 applications.
Professional installation is recommended.
KYOSTAR products are quality inspected before shipment. Please contact our support team for installation assistance or after-sales support.
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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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