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Overhead view of the full Valvetronic Designs Equal Length Valved Sport Exhaust System laid out on a concrete floor. }
Angled perspective of the complete stainless steel exhaust system showing the piping, midsection, and quad carbon fiber tips. }
The exhaust system installed on the undercarriage of a BMW M3/M4, showing the muffler and quad tips. }
Close-up of the underside of a car showing the Valvetronic Designs branded metal brace supporting the exhaust piping. }
Detail shot of the equal length exhaust piping and welds on the underbody of a vehicle. }
A row of five different exhaust tip finish options including brushed steel, burnt blue, black, forged carbon, and traditional carbon fiber. }
For any questions please PM or email: Online@AutoTalent.com Valvetronic Designs Equal Length Valved Sport Exhaust System for BMW...
SKU: BMW.F8X.M3.M4.VSES.BR.BRSH
Product Type: Sport Exhaust System
Regular price
$3,149.10
Regular price
$3,499.00
Sale price
$3,149.10
Check your purchasing power Apply at checkout
Material: Stainless Steel
Tips: (4) Brushed Steel (3.5" Outlet)
Valvetronic Designs Equal Length Valved Sport Exhaust System for BMW M3 / M4 (F8X) 2015-2020
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Valvetronic Designs Equal Length Valved Sport Exhaust System for BMW M3 / M4 (F8X) 2015-2020

The Valvetronic Designs Valved Cat-Back Exhaust System is the definitive acoustic and performance upgrade for the BMW F8X M3/M4. Engineered to solve the S55 engine's characteristic rasp, its equal-length 2.75-inch mid-section with H-pipe harmonizes exhaust pulses for a rich, smooth, and aggressive tone. Choose between T304 stainless steel or ultra-lightweight Grade 5 titanium, and command a dramatic dual-mode sound profile—from a raw, free-breathing roar to a refined, daily-driver whisper—all through a direct, 100% reversible bolt-on installation.

Key Benefits

  • Eliminates S55 Rasp: The equal-length mid-section and H-pipe design balance exhaust pulses, transforming harsh factory tones into a deep, smooth, and aggressive soundtrack.

  • Uncompromised Dual-Mode Sound:

    • Valves Open: Direct, unrestricted flow for maximum volume, performance, and an aggressive tone.

    • Valves Closed: Exhaust routes through a quad-chamber muffler, offering quiet, stock-like refinement for daily comfort.

  • Significant Weight Reduction: Choose your performance profile:

    • T304 Stainless Steel: Saves 21.7 lbs.

    • Grade 5 Titanium: Saves a dramatic 49.2 lbs for maximum agility and response.

  • Premium, Bolt-On Engineering: Crafted with precision TIG welds and mandrel-bent tubing for optimal flow. Installs using factory mounting points with no cutting or welding required.

Detailed Features & Specifications

  • Core Design: 2.75-inch equal-length mid-section with H-pipe, feeding a 3.5-inch axle-back with quad-chamber muffler.

  • Material Options: T304 Stainless Steel or Grade 5 Titanium.

  • Valve Control: Electronic valve system with included standalone controller; optional OEM drive mode integration is available.

  • Weight Savings vs. OEM:

    • Stainless Steel: 21.7 lbs lighter

    • Titanium: 49.2 lbs lighter

  • Fitment: 2015–2018 BMW M3 (F80); 2015–2020 BMW M4 Coupe/Convertible (F82/F83).

  • Important Note: For vehicles with free-flow or race downpipes, some low-RPM rasp may be present. For the most refined tone, pairing with high-flow (200-cell) catalytic converters is recommended.

Included Components

  • 2.75" Equal-Length H-Pipe Mid-Section

  • 3.5" Axle-Back with Quad-Chamber Muffler

  • Electronic Valve System & Controller

  • All Necessary Clamps and Hardware

Fitment Chart:

Make Model Variant Year
BMW M3
F80
2015-2018
BMW M4 Coupe F82 2015-2020
BMW M4 Convertible F83 2015-2020

 

If you have any fitment questions, please feel free to reach out to our team via the contact methods below. If you are contacting us for any order status updates, please give us a call, or email us. We are a lean operation bringing you the best shopping experience possible. We are working on your orders as quickly as we can. We thank you for your patience.

Call:
Please reach out to us at (310) 231-0292 for sales inquiries if you are in the United States, Canada, Mexico.
Email:
For more in-depth product questions, fitment questions, product inquiries please email our performance specialists at online@autotalent.com.
All other inquiries:
Please direct your inquiries to the chat functionality on our website.

Returns Policy

If a product is ordered and not wanted, the UNUSED item can be returned for a 25% restocking fee unless otherwise specified. In some cases, we may offer the ability to return the item to us for a lesser restocking fee and then keep the balance as a store credit. To return an item, it must be in brand new condition with original packaging.

We cannot accept a return on special ordered or custom items.

Shipping is non refundable in either direction unless approved by AutoTalent. 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 AutoTalent facility are shipped via FedEx, USPS, or USPS. Some packages shipped from the manufacturer may or may not require signatures for package release.

Special Order Items

Some items may be special order specifically for the customer’s vehicle. These items generally require a deposit or paid in full. Once this deposit amount is notified to the customer and they agree to order the special order item, the deposit becomes non-refundable. These special order items cannot be returned or resold. Cancellations are not allowed on special order parts.

AutoTalent DOES NOT REFUND SHIPPING CHARGES. If you modify, install, or alter the item in any form, we cannot accept it as a return. We will not cover any expenses related to the product or installation, and you may be required to purchase a replacement.

** All cancellations that are requested that are NOT due to items not being in stock or delayed by the manufacturer are subject to a 5% processing fee. When you place an order with us we pay credit card fees that are NOT returned back to us. We will absorb these fees if we do not have the item in stock OR if you agree to the original ETA and that ETA is NOT met. If you decide to cancel for any other reason you will not receive this 5% fee back

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We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based.

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