BMW Agency Performance Stainless Steel Valved Cat-back Exhaust - E90 / E92/93 335i

Give your BMW 335i the perfect balance of performance, sound, and control with the Agency Performance Stainless Steel Valved Cat-Back Exhaust. Designed specifically for the E9X 335i platform, this system delivers a dramatic improvement in exhaust flow, turbo response, and tone—while offering valve-controlled sound management at your fingertips.

Crafted from high-grade T304 stainless steel, this cat-back features mandrel-bent piping, CNC-machined flanges, and precision TIG welds for maximum durability and a flawless fit. The integrated valve system allows you to switch between a refined, quiet street mode and an open, aggressive race mode—perfect for enthusiasts who want the best of both worlds.

Key Features:

• Valved system for adjustable sound – quiet cruising or aggressive roar on demand

• High-flow design for reduced backpressure and improved turbo spool

• T304 stainless steel construction with TIG welds for durability

• Polished quad tips for a bold, OEM+ look

• Direct bolt-on fitment for E90 / E92 / E93 BMW 335i (N54 & N55)

Whether you’re daily driving or hitting the track, the Agency Performance Valved Cat-Back transforms your 335i into a true performance machine with the flexibility to match your mood and driving style.

⚠️ Intended for off-road / motorsport use in certain regions. Check local regulations before installation.