Fi Exhaust BMW 3 Series E90 / E92 335i Valvetronic Catback Exhaust
or as low as $266.67/mo with Affirm
FI EXHAUST BMW 3 SERIES E90 / E92 335I VALVETRONIC CATBACK EXHAUST
Quiet when you want it, unmistakable when you don’t — valve control straight from the factory buttons.
Valvetronic catback
T304 stainless steel
BMW 3 Series E90 / E92 335i — engine · Non-OPF Vehicles
Factory exhaust/sport buttons & drive modes; Fi Pro remote optional
WHAT THIS DOES
The stock exhaust keeps the engine muted to pass drive-by noise laws in every market. This system gives you the volume switch the factory didn’t. Valves closed, exhaust routes through the muffler core and the cabin stays civil for a commute or a long highway run. Valves open, the exhaust note comes through at full volume.
It’s a direct bolt-on at the factory flange points — no cutting, no welding, no tune required. The valve module ties into the car’s own exhaust flap logic, so your drive modes and sport buttons switch it exactly like stock, just with a far wider spread between quiet and loud. Add the Fi Pro remote for manual valve control from a keyring.
Paired with Fi’s downpipes, Fi quotes 5-10% gains on the engine; the cat-back alone frees up a modest amount with a much bigger change in sound.
WHAT IT’S MADE OF
T304 stainless steel throughout — pipes, muffler shell, and internals. The muffler core is tuned to the engine’s firing order rather than a universal core, which is why it keeps a clean tone at full throttle instead of droning. Tip finishes: Silver · Titanium Blue · Diamond Black · Gold · with Carbon Fiber.
UP CLOSE
Sourced direct from Fi
Stock mounting points
Full system, no mild steel
Made by Fi in Taiwan, 4–8 weeks
SPECIFICATIONS
| Vehicle | BMW E90 / E92 335i |
| Model years | 2006-2012 |
| Engine | N54 / N55 |
| Emissions config | Non-OPF Vehicles |
| Included | Valvetronic catback |
| Material | T304 stainless steel |
2006-2012 BMW E90 / E92 335i with the N54 / N55, non-opf vehicles. Not sure about your configuration? Ask us before ordering — we confirm fitment on every order.
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