BMW E46 M3 Valved Section 3 Exhaust

Brushed T304 Stainless Steel or Grade 5 Titanium

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Overview

The Valvetronic Designs Valved Section 3 brings modern exhaust control technology to the legendary BMW E46 M3. Designed to replace the heavy factory suitcase muffler, this upgrade delivers an unmatched S54 soundtrack with the ability to switch between aggressive and stock-like tones at will.

With the valves open, the E46 M3 comes alive—raw, responsive, and engaging throughout the rev range. Close the valves, and the sound reverts to factory-like levels for a stealthy, comfortable drive.

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Why It Works

• Direct Replacement: Connects to any section 2.

• Dual Sound Modes: Raw, high-revving S54 tone (open) or stock-like refinement (closed).

• Material Options: Choose brushed T304 stainless steel for durability or Ti 6Al-4V Grade 5 titanium for ultimate weight savings.

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Sound & Control

• Valves Open: Unleashes the iconic S54 scream with increased volume and sharper tone.

• Valves Closed: Quiet, refined, and suitable for daily driving.

• Rapid Valve Actuation: Instant open/close functionality for on-demand sound changes.

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Construction & Quality

• Material: Brushed T304 stainless steel or Grade 5 titanium.

• Weight Savings: ~8 lb lighter (Stainless) / ~18 lb lighter (Titanium) than OEM.

• Craftsmanship: Precision TIG welds and mandrel-bent tubing for strength and optimal flow.

• Finish: Brushed stainless or raw/brushed titanium.

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Fitment

• 2001–2006 BMW E46 M3

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Installation Notes

• Designed to work best with the stock section 2.

• May be adapted to other aftermarket section 2 systems, but fitment is not guaranteed and modifications may be required.

• 100% reversible—return to stock at any time.

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What’s Included

• Valved section 3 exhaust assembly (Stainless or Titanium)

• Rapid-actuating pneumatic valve

• All necessary hardware and clamps

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Specifications

• Material: Brushed T304 stainless or Ti 6Al-4V Grade 5 titanium

• Valves: pneumatic, rapid open/close

• Weight Savings: ~8 lb (Stainless) / ~18 lb (Titanium) vs. OEM

• Design: Mandrel-bent tubing for optimal flow; precision TIG-welded construction