Valvetronic Designs Valvetronic Valved Stainless Axle-Back Exhaust System - 3.5

Valvetronic Valved Stainless Axle-Back Exhaust System - 3.5" Forged Carbon Tips - BMW E90/E92/E93 M3 S65

Version 2 of the Valvetronic Designs E9X M3 Valved Exhaust System delivers significant upgrades in both reliability and sound refinement, making it the benchmark choice for the platform. We’ve returned to vacuum-actuated valves—proven to be more durable and consistent than electronic alternatives, and enhanced the exhaust tuning for a purer, more engaging driving experience. Constructed from premium brushed T304 stainless steel and fully mandrel-bent for maximum flow, this system offers the flexibility to cruise quietly with valves closed or unleash the raw S65 V8 soundtrack with valves open. For too long, premium valved systems have been out of reach for many enthusiasts, our mission has been to change that.
Valvetronic Designs Valvetronic Designs
T#: 52832901 | Part#: E9X.M3.AXL.BR.FC
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Valvetronic Valved Stainless Axle-Back Exhaust System - 3.5" Forged Carbon Tips - BMW E90/E92/E93 M3 S65
$1349.99

Version 2 of the Valvetronic Designs E9X M3 Valved Exhaust System delivers significant upgrades in both reliability and sound refinement, making it the benchmark choice for the platform. We’ve returned to vacuum-actuated valves—proven to be more durable and consistent than electronic alternatives, and enhanced the exhaust tuning for a purer, more engaging driving experience.

Constructed from premium brushed T304 stainless steel and fully mandrel-bent for maximum flow, this system offers the flexibility to cruise quietly with valves closed or unleash the raw S65 V8 soundtrack with valves open. For too long, premium valved systems have been out of reach for many enthusiasts, our mission has been to change that.

Why It Works

  • Vacuum-Actuated Valves: Increased reliability and rapid response for seamless sound control.
  • High-Flow Mandrel-Bent Tubing: Improves throttle response and overall power delivery.
  • Affordable Excellence: Premium valved performance without the excessive “M tax.”

Sound & Control

  • Valves Closed: Factory-like refinement for urban driving or long-distance cruising.
  • Valves Open: Aggressive, motorsport-inspired V8 tone with sharp throttle response.

Construction & Quality

  • Material: Brushed T304 stainless steel for strength and corrosion resistance.
  • Weight Savings: 10.1 lb lighter than OEM.
  • Craftsmanship: Precision TIG welds and smooth mandrel bends for durability and maximum flow.
  • Tips: Premium finishes to complement the M3’s styling.

Installation Notes

  • Direct bolt-on fitment to OEM mounting points.
  • 100% reversible—return to stock at any time.

Included

  • Valved rear section exhaust (vacuum-actuated)
  • All necessary hardware and clamps

Specifications

  • Material: Brushed T304 stainless steel
  • Valves: Vacuum-actuated
  • Weight Savings: 10.1 lb vs. OEM

Prop 65 WarningProp 65 Warning

Previous Revisions
  • E9XM3AxlebackFC

Cross Reference
  • BMW.E9X.M3.AXL.BR.FC

Product Q&A

Lifetime Replacement

This product is not eligible for Lifetime Replacement
MAKE MODEL SUBMODEL ENGINE Special Fitment Notes
BMW E90 M3 S65 4.0L Use vehicle selector to confirm fitment
BMW E92 M3 S65 4.0L Use vehicle selector to confirm fitment
BMW E93 M3 S65 4.0L Use vehicle selector to confirm fitment
*The above product applications have been written by Turner Motorsport. All warranties, product application, fitment, and performance are the responsibility of Turner Motorsport. For additional information see the terms of use.