| Brand Name: | KYOSTAR |
| Model Number: | NA-CB-5108-SS-MB |
| MOQ: | 2 set |
| Price: | 950$/set |
| Payment Terms: | T/T,western union |
| Supply Ability: | 500 Sets / Month |
The KYOSTAR Valved Sport Cat-Back Exhaust System is an aftermarket performance exhaust assembly listed for selected Audi C8 RS6 Avant and RS7 Sportback applications equipped with the EA825 4.0-liter twin-turbocharged V8 engine.
Featuring a valved exhaust configuration and vehicle-specific exhaust routing, this system is intended for performance exhaust replacement and customization. The supplied product image shows formed metallic exhaust piping, branching pipe sections, a rear exhaust assembly, and dark-colored exhaust outlets.
For automotive aftermarket distributors, Audi RS performance specialists, European vehicle tuning workshops, professional exhaust installers, and performance parts resellers, this product offers a sourcing option for the Audi C8 high-performance vehicle platform.
Exact fitment, material specifications, valve control method, exhaust connection dimensions, and complete package contents should be verified with KYOSTAR before ordering.
U.S. Market Reference: Audi C8 RS6 Avant and RS7 Sportback models were introduced in the United States for the 2021 model year. The original 2019–2023 listing should not be interpreted as confirmed U.S. model-year coverage.
Important: The RS6 Avant and RS7 Sportback have different body configurations. Compatibility of one identical exhaust assembly with both models has not been independently established. Confirm the required exhaust version for each vehicle before ordering.
This valved sport cat-back exhaust is listed for selected Audi C8 RS6 Avant and RS7 Sportback vehicles equipped with the EA825 4.0L twin-turbocharged V8 engine.
Buyers should compare the factory exhaust routing, catalytic converter outlet connections, exhaust valve locations, original mounting points, rear bumper clearance, and exhaust hanger positions before purchasing.
Regional vehicle specifications, factory performance exhaust options, production revisions, and existing aftermarket modifications may affect compatibility. Please request confirmed installation documentation and vehicle-specific connection dimensions from KYOSTAR.
Professional installation and post-installation inspection for exhaust leaks, valve operation, mounting security, and component clearance are recommended.
| Item | Details |
|---|---|
| Brand | KYOSTAR |
| SKU | NA-CB-5108-SS-MB |
| Product Name | Valved Sport Cat-Back Exhaust System |
| Product Category | Performance Exhaust Systems |
| Vehicle Make | Audi |
| Vehicle Models | RS6 Avant / RS7 Sportback |
| Vehicle Platform | C8 |
| Original Supplier-Listed Years | 2019–2023 (verification required) |
| U.S. Market Model Years | 2021+ (verify individual years) |
| Engine Family | EA825 |
| Engine Displacement | 4.0L |
| Engine Configuration | Twin-Turbocharged V8 |
| Exhaust Type | Cat-Back |
| Exhaust Configuration | Valved Sport Exhaust |
| Valve Actuators | Inclusion To Be Confirmed |
| Valve Control Method | To Be Confirmed |
| Factory Valve Compatibility | To Be Confirmed |
| Pipe Appearance | Metallic / Silver |
| Exhaust Tip Appearance | Dark Finish Shown |
| Pipe Material | To Be Confirmed |
| Stainless Steel Grade | To Be Confirmed |
| Main Pipe Diameter | To Be Confirmed |
| Wall Thickness | To Be Confirmed |
| Exhaust Tip Dimensions | To Be Confirmed |
| Connection Dimensions | To Be Confirmed |
| RS6 / RS7 Shared Fitment | To Be Confirmed |
| Factory Exhaust Compatibility | To Be Confirmed |
| Installation Hardware | Confirm Complete Packing List |
| Package Dimensions | To Be Confirmed |
| Shipping Weight | To Be Confirmed |
| Sound Level | Not Provided |
| Application | Automotive Aftermarket Exhaust Components |
The KYOSTAR Valved Sport Cat-Back Exhaust System is intended for aftermarket exhaust customization involving selected Audi C8 RS6 Avant and RS7 Sportback applications.
Potential applications include Audi RS performance exhaust projects, professional European vehicle tuning, aftermarket exhaust replacement, specialized automotive workshop services, and performance exhaust parts distribution.
Actual fitment, valve functionality, installation requirements, and applicable legal restrictions must be verified before ordering or installation.
KYOSTAR welcomes purchasing inquiries from automotive aftermarket distributors, Audi RS performance specialists, professional exhaust workshops, European vehicle tuning businesses, and performance parts resellers.
For current wholesale pricing, minimum order requirements, technical specifications, packaging details, availability, and shipping arrangements, please provide SKU NA-CB-5108-SS-MB, estimated order quantity, destination market, and intended vehicle application.
Professional buyers are encouraged to request verified RS6/RS7 fitment information, material specifications, pipe dimensions, valve control details, complete packing information, and installation requirements before placing bulk orders.
Pricing, minimum order quantities, product availability, and production or fulfillment lead times are subject to confirmation.
Q1: Which Audi models are listed for this exhaust system?
A: The original product information lists Audi C8 RS6 Avant and RS7 Sportback applications. Exact compatibility must be verified by model year and vehicle configuration.
Q2: What engine is this exhaust intended for?
A: The listed applications use the EA825 4.0-liter twin-turbocharged V8 engine.
Q3: Is this a cat-back exhaust system?
A: Yes. The original listing identifies the product as a valved sport cat-back exhaust system.
Q4: Does this exhaust include valves?
A: The product is identified as a valved exhaust system. Exact valve hardware and control specifications require confirmation.
Q5: Are valve actuators or a remote controller included?
A: The supplied information does not confirm whether actuators, wiring, or a separate controller are included.
Q6: Does one exhaust system fit both the RS6 Avant and RS7 Sportback?
A: Both vehicles appear in the original listing, but shared fitment of one identical assembly has not been independently verified.
Q7: Is the exhaust manufactured from T304 stainless steel?
A: The exact material and stainless steel grade have not been confirmed.
Q8: Will this exhaust change the sound of my Audi RS6 or RS7?
A: Exhaust design and valve operation can affect sound characteristics. No verified sound measurements are available for this product.
Q9: Does this exhaust increase horsepower?
A: No verified horsepower or torque improvement figures have been provided.
Q10: Is this exhaust compatible with factory valve controls?
A: Compatibility with factory valve actuators and electronic controls must be verified for the specific vehicle configuration.
Q11: Can automotive distributors request wholesale pricing?
A: Professional buyers may contact KYOSTAR with estimated order quantities and destination market information to request current purchasing details.
Q12: How can I request a quotation?
A: Submit an inquiry with SKU NA-CB-5108-SS-MB, required quantity, destination country, and intended vehicle application.
Warranty coverage, applicable exclusions, packaging specifications, shipping methods, and estimated production or fulfillment lead times should be confirmed with KYOSTAR before placing an order.
Final package dimensions, shipping weight, valve components, installation hardware, and complete kit contents must be verified before freight quotation.
Buyers should confirm vehicle compatibility, valve operation, connection requirements, and applicable exhaust noise and emissions regulations before shipment.
For technical specifications, purchasing inquiries, product compatibility questions, or after-sales support, please contact KYOSTAR with the relevant SKU.
Looking to source valved sport cat-back exhaust systems for Audi C8 RS6 Avant and RS7 Sportback 4.0T V8 applications? Contact KYOSTAR with your estimated order quantity, destination market, and required technical specifications to request current product information and a quotation.
Reference SKU: NA-CB-5108-SS-MB![]()