Valved rear section exhaust (vacuum-actuated)
Optional: Free-flow or catted X-pipe mid-section
All necessary hardware and clamps
100% reversible—return to stock at any time.
Material: Brushed T304 stainless steel
Valves: Vacuum-actuated
Weight Savings: 10.1 lb vs. OEM
Design: Large X-merge for scavenging efficiency; resonated for tonal balance
Version 2 of the Valvetronic Designs E9X M3 Valved 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.
For even greater performance and sound pair the valved rear section with our high-performance X-pipe mid-section available in both free-flow and catted configurations.
What’s Included
Valved rear section exhaust (vacuum-actuated)
Optional: Free-flow or catted X-pipe mid-section
All necessary hardware and clamps
Installation Notes
100% reversible—return to stock at any time.
Features and Components
Fits
| Weight | 53 lbs |
|---|---|
| Dimensions | 36 × 20 × 11 in |
| Configuration | Midpipe, Full Valved System (Titanium), Axleback (T304 Stainless Steel) |
| Item Configuration | AXLEBACK ONLY, Axleback + Sport Euro 6 Catted 200 cell MIDPIPE (Dual Resonated), Axleback + RACE Free Flow MIDPIPE (Quad Resonated), Free Flow Unrestricted, 200 Cell Euro 6 Cats, Free Flow Quad Resonated, 200 Cell Euro 6 Catted Dual Resonated |
| Tip Color | Black (3.5" Outlet), Brushed (3.5" Outlet), Burnt Titanium (3.5" Outlet), Carbon Fiber (3.5" Outlet), Forged Carbon Fiber (3.5" Outlet), No Exhaust tips (Midpipe) |
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