BMW E90 335d M57 3" Downpipe
OFF ROAD USE ONLY
Catalyst configuration: Choose the non-catted setup or add a genuine GESI diesel oxidation catalyst (DOC) for $300. The DOC is integrated into the selected downpipe configuration.
Emissions note: The GESI DOC is not a replacement for the factory diesel particulate filter (DPF), SCR/DEF system, or any other required emissions equipment. Vehicle legality and emissions compliance depend on the complete installation and applicable laws.
Unleash the full potential of your BMW 335d with the Kassel 3" Downpipe, engineered for performance enthusiasts who demand quality, durability, and power. Designed to maximize exhaust flow and turbo efficiency, this premium downpipe is the perfect upgrade for those looking to push their diesel to the next level.
💎 Precision Craftsmanship & Premium Materials
- 100% North American 304 stainless steel construction for superior strength and longevity.
- CNC-machined 304 stainless steel flanges & O2 sensor bungs for a precise, leak-free fit.
- Expertly hand TIG-welded at our York, PA facility, ensuring unmatched quality and attention to detail.
⚙️ Optimized for Performance
- 3” mandrel-bent design improves exhaust flow, reducing backpressure and enhancing turbo response.
- Direct bolt-on fitment for a seamless installation.
- Comes complete with premium mounting hardware and a 2-bolt flange gasket for a hassle-free setup.
⚠️ Tune Required: A Stage 2 tune is necessary to run this downpipe effectively and unlock its full performance potential.
🔥 Built for power. Engineered for precision. Manufactured with passion. Experience the Kassel difference today!