Click to open expanded view

Milltek Valved Catback BMW G90 M5 / G99 M5 Touring

SKU: SSXBM1501
Price
$6,309.00

Select Tips:

Polished
Currently Backordered - You can still place your order and we'll ship your order as soon as the product is back in stock!

This Product Qualifies for Free Shipping

Need some product help?
Installation Services

Don’t worry about the hassle — let our expert team at Forza Motorworks handle the installation for you. Our professional installation ensures everything fits and operates exactly as intended, giving you clean, factory-quality results, proper wiring or mounting, and avoiding the risks of DIY mistakes. You’ll save time, avoid frustration, and get peace of mind knowing the job is done right the first time. Contact us to learn about our installation services and enjoy a seamless upgrade from day one.

FAQ

Shipping Information
For items that are in stock, purchases made after 9am EST will be usually be shipped out in the next 1-2 business days. Please inquire to confirm lead times if you have specific time constraints. Orders will be sent via signature required at our discretion unless otherwise requested.

International Shipping
Any and all customs duties, taxes, import fees, and/or tariffs assessed in connection with the purchase shall be the sole responsibility of the customer/end user.

Return Policy
We have a 30-day return policy, which means you have 30 days after receiving your item to request a return. To be eligible for a return, your item must be in the same condition that you received it, unused and in its original packaging. All returns are subject to a restocking fee based on item and package condition. Buyer is responsible for paying for return shipping costs. If you need a return label, we will email you a return label and deduct cost from refund. Original shipping costs are not refundable. Special order items are not eligible for return.

Cancellation Policy
In order to cancel your order you must email within 24 hours of placing your order or before your order has shipped, whichever occurs first. Special order items are not eligible for cancelation.

Exchange Policy
We have a 30-day exchange policy, which means you have 30 days after receiving your item to request an exchange. To be eligible for an exchange, your item must be brand new in box. Buyer is responsible for paying all shipping costs to exchange product.

Product Description

 

 

The Milltek Valved Cat-Back Exhaust System with Active H-Pipe is engineered to unlock the sound and character of the new BMW G90 M5 and G99 M5 Touring. Built from premium 304L stainless steel and designed as a full replacement for the factory rear and mid exhaust sections, this system dramatically improves exhaust flow while delivering a deeper, more aggressive, and more adjustable exhaust note.

At the core of the system is Milltek’s Active H-Pipe design, which enhances low-end tone and adds a richer, fuller exhaust character compared to the restrictive factory layout. Combined with electronically controlled exhaust valves, the system allows drivers to seamlessly switch between a refined, OEM-like cruising tone and a significantly more aggressive performance sound when the valves are open.

This exhaust is designed specifically for the latest S68 twin-turbo V8 platform, giving the G90/G99 chassis the soundtrack it deserves while maintaining everyday drivability and long-distance comfort.

Fitment Notes

  • Fits BMW G90 M5 Sedan (2025+)
  • Fits BMW G99 M5 Touring (2025+)
  • Designed for BMW S68 4.4L twin-turbo hybrid V8 platform
  • Direct replacement cat-back exhaust system
  • Includes active H-pipe center section and valved rear section
  • Retains OEM-style exhaust valve functionality (with included control system depending on configuration)
  • Professional installation recommended
  • May require cutting of factory exhaust for installation (platform dependent)

Included

  • Milltek valved rear exhaust assembly
  • Active H-pipe mid-section
  • Electronic valve-controlled muffler system
  • Exhaust valve actuators
  • Remote valve control module (where included in configuration)
  • Mounting hardware and clamps
  • Installation components required for fitment

Product Specs

  • Material: 304L stainless steel construction
  • Pipe Diameter: 80mm (3.15")
  • System Type: Valved cat-back exhaust with active H-pipe
  • Configuration: Dual exit performance system
  • Tip Options: GT115 style (varies by finish)
  • Valve Control: Electronically controlled with remote functionality (config-dependent)
  • Fitment Platform: BMW G90 / G99 M5 (S68 hybrid V8)
  • Construction: Mandrel-bent performance piping
  • Application: Street and performance use

Product Features

  • Active H-pipe design enhances exhaust tone depth and low-frequency sound
  • Valved system allows instant switch between quiet and aggressive modes
  • Significant improvement in exhaust flow over factory system
  • Deep, refined V8 character without excessive rasp or harshness
  • Premium 304L stainless steel construction for long-term durability
  • Customizable sound profile for daily driving or spirited performance use
  • OEM+ fitment engineered specifically for the G90/G99 chassis
  • Maintains drivability and refinement expected from a modern M car