2021-2027 BMW G80 M3 / G82 M4 Valved RS Exhaust System
Engineered for the S58 Twin-Turbo Platform
Unlock the true sound and performance of your BMW G80 M3 and G82 M4 with the AeroFlow Dynamics RS Valved Exhaust System.
Designed specifically for the BMW S58 twin-turbo inline-six engine, the RS system transforms the factory exhaust tone into a sharper, more aggressive performance sound while maintaining smooth daily drivability.
Unlike many aftermarket exhaust systems that introduce harsh frequencies, the AeroFlowDynamics RS system delivers a clean performance tone with no rasp while maintaining the aggressive character expected from a high-performance BMW exhaust.
Drivers retain full control of the sound through OEM valve integration, allowing the system to remain quiet during cruising and aggressive when the valves are opened.
Premium 304 Stainless Steel Construction
The AeroFlowDynamics RS Exhaust System is constructed from high-quality 304 stainless steel, known for its durability, corrosion resistance, and long-term reliability in high-performance exhaust applications.
This premium material ensures the exhaust system can withstand extreme temperatures and harsh driving conditions while maintaining its structural integrity and performance over time.
Refined Sound Engineering – No Rasp
Many aftermarket exhaust systems for the BMW S58 engine can produce unwanted rasp or harsh metallic tones, especially under acceleration or higher RPM.
The AeroFlowDynamics RS Exhaust System was engineered to eliminate those issues.
Through carefully tuned piping design, optimized resonator placement, and acoustic engineering, the RS system delivers a smooth and aggressive performance tone with no rasp.
Valves Closed Refined performance tone with minimal drone during daily driving.
Valves Open Aggressive turbocharged sound with enhanced turbo spool and crisp downshifts.
Track Section Pipes Maximum volume and race-inspired sound while maintaining a clean tone without harsh rasp.
Configuration Options
Choose the setup that fits your build.
RS Valved Exhaust System
Performance exhaust upgrade that enhances the sound of the S58 engine while retaining OEM valve functionality.
RS Exhaust + Track Section Pipes
Replaces the secondary resonators with straight performance pipes for maximum volume and aggressive sound.
RS Exhaust + 200 Cell High-Flow Downpipes
High-flow catalytic converters designed to improve exhaust flow and enhance turbo spool.
Full RS Performance System
RS Valved Exhaust + Track Section Pipes + 200 Cell Downpipes for the ultimate S58 exhaust setup.
HEAT SHIELD NOT AVAILABLE ON EXHAUST
*Not all configurations are shown in the photos, please inquire with our specialists if you have further questions
Key Features
🔥 Smooth Performance Sound with No Rasp
Engineered to deliver a clean, aggressive exhaust tone without harsh metallic frequencies.
⚙ OEM Valve Integration
Retains factory valve functionality allowing drivers to switch between quiet cruising and aggressive performance sound.
🏎 Track Section Pipe Option
Straight performance pipes increase exhaust flow and deliver maximum volume.
💨 200 Cell High-Flow Downpipes
Improves turbo spool and exhaust flow while maintaining catalytic converters.
🔧 Direct Bolt-On Installation
Designed specifically for the BMW G80 M3 and BMW G82 M4 with OEM-level fitment.
Sound Characteristics
• Smooth performance tone • No rasp or harsh frequencies • Enhanced turbo spool sound • Aggressive downshifts • Deep performance tone under throttle • Quiet and refined when valves are closed
The RS system delivers one of the best G80 M3 exhaust sounds with no rasp, making it ideal for drivers who want aggressive performance without unpleasant sound frequencies.
Production Lead Time
This AeroFlow Dynamics exhaust system is built to order to ensure the highest level of craftsmanship, quality, and fitment. Production begins immediately after your order is placed. For concerns about lead times and exhaust systems policies, please review our Terms and Conditions.
Transform the Sound of Your BMW M3 / M4
Whether you're looking for a refined daily performance exhaust or a full aggressive track setup, the AeroFlowDynamics RS Exhaust System offers multiple configurations to match your build.
Upgrade your BMW G80 M3 or G82 M4 with a system engineered for performance, sound quality, and precision.
All products are shipped out from one of the Signature Autohaus shipping locations. Signature Autohaus drop ships some products and ships direct others. All products are shipped via FedEx, UPS, DHL or another qualified shipping carrier.
Special arrangements may need to be made for international orders and oversize packages.
In the event a product arrives damaged to your location, please follow the steps listed below. All damaged items must be reported to the shipping carrier immediately and you must notify Signature Autohaus within 5 days of receiving your order. If these steps are not followed, your shipment may not be able to be a candidate for a claim.
Complete the Shipping DAMAGE Claim Form by contacting the carrier that delivered your package.
1) Keep the product and its original packaging and box
Make a list of the damaged or lost item(s)
2) Signature Autohaus will contact the shipper once we receive the email info above to schedule a pickup, DO NOT send it back to us
3) Once the product is picked up and inspected by Signature Autohaus and or Supplier, a replacement or credit will be issued.
4) The Shipping Rates shown at time of checkout our dimensional rate only. If your shipment weight is to much then contact us for a shipping quote. If there is an error in the shipping rate quoted we will contact you and let you know of the changes. International orders(Outside the USA) are not automatically processed as we may require additional information from you.
If a product is ordered and not wanted, the UNUSED item can be returned for a 35% restocking fee. Shipping is not refundable in either direction. All items wanting to be return MUST be reported within 30 days of the original invoice date. No items will be returnable after 30 days. All products shipped from the Signature Autohaus warehouse are shipped via FedEx or Freight and require a signature when delivered. Some packages shipped from the manufacturer may or may not require signatures for package release. Fedex, UPS, and DHL have package pick up locations if you are unable to sign for the package. If the package is returned to Signature Autohaus or manufacturer, you will be responsible for the return shipping costs and pay a 35% restocking fee. These fees will be charged to your account on file.
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In the event that the product you ordered is sent either incorrectly or processed wrong by Signature Autohaus, we will arrange for the package to come back to us and ship out a replacement. We will evaluate the situation before we determine the shipment was incorrect.
To return a item back to us, please do the following:
1. Contact our Customer Service Department to receive a RMA number. All packages returned without a Returned Merchandise Authorization number will be refused.
2. Package the item up in original packaging unless deemed unuseable
3. Include the UNUSED parts and any additional information that was included
4. Include a copy of your receipt
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6. If you have a receipt for the return shipping include as well
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8. Once we have received the above information we will notify you via email or phone and let you know the status.
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