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Valvetronic Designs
Valvetronic Designs Valved Sport Exhaust – BMW X3 M40i / X4 M40i (G01/G02) B58
$2,999.99
OVERVIEW
The Valvetronic Designs Valved Sport Exhaust transforms the B58 X3 M40i and X4 M40i — a 3.5" mandrel-bent cat-back with dual pneumatically actuated valves for a >25 dB swing between a quiet cruise and a full open roar, around 25.5 lb lighter than stock and 100% reversible. Includes a standalone valve controller. Choose your tip finish.
SPECS
- Valved cat-back exhaust with dual actuated valves and standalone controller
- T304 stainless steel construction
- Mandrel-bent, TIG-welded; 100% reversible to stock
- 3.5" midpipe; 2.5" tip inlet
- >25 dB open/closed swing
- ~25.5 lb lighter than OEM
- Uses the factory downpipe — direct bolt-on
PARTS INCLUDED
- Valved cat-back exhaust system with selected tips
- Standalone valve controller / harness
TECH RESOURCES
- No additional hardware required — bolt-on (uses the OEM downpipe and factory mounting points)
- Professional installation recommended
PART NUMBER
- T304 Stainless — BMW.G01.M40i.VSES.BR.[finish]
VEHICLE APPLICATIONS
| Make | Model | Chassis | Engine | Years |
|---|---|---|---|---|
| BMW | X3 M40i | G01 | B58 3.0L | 2018–2024 |
| BMW | X4 M40i | G02 | B58 3.0L | 2019–2025 |