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IRL V2 G90 G99 Catback Exhaust

IRL LLC
MS-7881-IRL-IRL L-BLA
EXHAUST
$3,299.00
IRL G90/G99 M5 Exhaust System Engineered from the ground up without compromise, the IRL G90/G99 M5...
$3,299.00

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IRL G90/G99 M5 Exhaust System

Engineered from the ground up without compromise, the IRL G90/G99 M5 Exhaust System was designed with two objectives: maximum performance and the cleanest, most refined exhaust note possible.

Unlike many exhaust systems that simply increase volume, the IRL system focuses on airflow management, exhaust gas velocity, and acoustic tuning. Every section of the exhaust has been carefully engineered to maintain optimal flow characteristics while eliminating unwanted rasp, turbulence, and harsh frequencies that commonly plague high performance BMW exhaust systems.

Using premium aerospace-grade materials, precision CNC machined components, mandrel-bent tubing, and a true performance driven architecture, the IRL exhaust delivers exceptional flow efficiency from the turbochargers to the exhaust outlets. The result is improved exhaust scavenging, reduced backpressure, faster turbo response, and increased power throughout the RPM range.

The heart of the system is IRL’s proprietary flow focused design philosophy. Pipe diameters, merge sections, transitions, and valve placement were extensively developed to create a balanced exhaust path that maximizes performance while preserving the deep, exotic character of the S68 engine. Instead of producing an overly aggressive or raspy tone, the system delivers a refined motorsport inspired sound with crisp turbo acoustics, deep low-end presence, and a powerful high RPM scream.

The modular construction allows drivers to tailor the system to their desired sound level while maintaining the engineering principles that make the exhaust perform at its highest level. Whether paired with factory catalysts or high-flow performance downpipes, the IRL exhaust retains excellent tone quality and drivability without introducing excessive drone.

Key features include:

  • Premium T304 stainless steel or lightweight titanium construction
  • Precision TIG welded assembly
  • Optimized flow paths for maximum exhaust velocity
  • Reduced backpressure for improved horsepower and torque
  • Enhanced turbo response and throttle reaction
  • Deep, refined exhaust tone with minimal rasp
  • Motorsport-inspired acoustics without excessive drone
  • Modular architecture for future upgrades
  • Plug-and-play integration with factory valve systems
  • Designed, tested, and validated through extensive real-world development

The result is an exhaust system that doesn’t just sound louder it sounds better. By combining advanced engineering, premium materials, and a true performance-first design, the IRL G90/G99 M5 Exhaust System delivers the perfect balance of power, sound quality, and drivability, setting a new benchmark for what a modern BMW M exhaust should be.

IRL isn’t built to be the loudest exhaust on the market. It’s built to be the best performing exhaust with the cleanest, most refined sound possible.

Professional installation recommended 

 

 

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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. SIGNATURE AUTOHAUS DOES NOT REFUND SHIPPING CHARGES. If you modify, install, or alter the item in any form, we cannot accept it as a return, will not cover any expenses related to the product or installation, and you maybe be required to purchase a replacement. 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 5. Write a brief description of the problem with the product 6. If you have a receipt for the return shipping include as well 7. We DO NOT accept any freight collect packages 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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