MAD E Chassis N55 Downpipe 135 335
Part Number: MAD-001
Product Overview
The MAD Performance downpipe system for the BMW 335i, BMW 135i represents a significant upgrade over restrictive factory exhaust components. Engineered for maximum flow and minimal restriction, this downpipe eliminates the most significant bottleneck in your vehicle's exhaust system.
By removing the catalytic converter and optimizing exhaust gas velocity, you'll experience substantial gains in horsepower and torque throughout the powerband. The result is improved throttle response, enhanced turbo spool, and a more aggressive exhaust note that truly reflects your vehicle's performance potential.
Key Features
- High-flow catless design eliminates OEM catalytic converter restriction
- Precision mandrel-bent tubing maintains consistent internal diameter
- TIG-welded construction for maximum strength and durability
- Smooth internal transitions optimize exhaust gas velocity
- V-band or flanged connections for secure, leak-free installation
- Specifically engineered for N55 engine applications
- Designed and tested specifically for BMW 335i, BMW 135i
Performance Benefits
- Horsepower Gains: Unlock 15-30+ horsepower depending on vehicle and tuning
- Improved Turbo Response: Reduced backpressure allows turbos to spool faster
- Enhanced Sound: Aggressive exhaust note with turbo spooling clearly audible
- Foundation for Tuning: Essential for stage 2+ tuning modifications
- Reduced EGT: Lower exhaust gas temperatures improve reliability
Vehicle Compatibility
This MAD Performance product is specifically engineered for:
- BMW 135i
- BMW 335i
Engine Applications:
- N55 Engine
Quality & Construction
MAD Performance downpipes are constructed using premium T304 stainless steel with precision TIG welding throughout. Each component undergoes strict quality control to ensure proper fitment and leak-free operation.
The mandrel-bent tubing maintains consistent internal diameter for optimal flow characteristics, while laser-cut flanges ensure perfect mating with factory and aftermarket exhaust components. Every downpipe is pressure tested before shipping to guarantee quality.
About MAD Performance
MAD Performance specializes in high-quality aftermarket performance parts for BMW vehicles. Known for precision engineering and rigorous testing, MAD products deliver real-world performance gains while maintaining reliability. Each component is designed to exceed OEM specifications and provide enthusiasts with the quality they demand.
