Unleash the aggressive sound of your B58!
BMW G20 M340i B58 3.0L Performance Exhaust Parts & Upgrades
- Axle Back
- Cat Back
- Catalytic Converter
- Complete System
- Cutout
- Downpipe
- Muffler Delete
- Mufflers
- Tips
- Valve Controller
Unleash the aggressive sound of your B58!
Unleash the aggressive sound of your B58!
Unleash the aggressive sound of your B58!
Unleash the aggressive sound of your B58!
Unleash the aggressive sound of your B58!
This product was last offered at the strikethrough price on
04-21-2026
Unleash the aggressive sound of your B58!
Manually and automatically adjust the exhaust sound level
This product was last offered at the strikethrough price on
06-30-2026
Control your Varex valve with the press of a button
This product was last offered at the strikethrough price on
06-30-2026
Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button
3.0" Inlet - 3.5" Outlet - Forged Carbon Sleeve
This product was last offered at the strikethrough price on
05-19-2026
Your BMW's factory exhaust tips are fine for getting groceries, but if you've upgraded your valence or just want a rear-end aesthetic that matches your car's performance pedigree, "fine" doesn't cut it. It's time for an attitude adjustment.
10X Entries For Our 25th Anniversary Sweepstakes!
Easy change the volume of your exhaust with the push of a button!
2.5" Clamp-on Inlet / 4.0" Single Wall, Slant Cut Outlet
10X Entries For Our 25th Anniversary Sweepstakes!
Not vehicle specific. You MUST measure prior to purchasing!
This product was last offered at the strikethrough price on
06-13-2026
Includes all of the Dinan essentials to improve your BMWs power, handlings, and feel
Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with the B58TU (B58D) engine only
Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button