$320.00
Unleash the full performance potential of your BMW B48-powered G30 330i or 520i/530i with the Untd. Performance Catless Downpipe. Designed for enthusiasts seeking maximum exhaust flow, turbo efficiency, and raw sound, this downpipe eliminates the factory catalytic converter to reduce backpressure and boost overall engine responsiveness. Whether you’re tuning for power or simply want a more aggressive driving experience, this downpipe delivers the performance edge your build demands.
Available on backorder
Unleash the full performance potential of your BMW B48-powered G30 330i or 520i/530i with the Untd. Performance Catless Downpipe. Designed for enthusiasts seeking maximum exhaust flow, turbo efficiency, and raw sound, this downpipe eliminates the factory catalytic converter to reduce backpressure and boost overall engine responsiveness. Whether you’re tuning for power or simply want a more aggressive driving experience, this downpipe delivers the performance edge your build demands.
Catless Design for Maximum Flow
By removing the factory catalytic converter, this downpipe provides a completely unrestricted exhaust path, significantly reducing backpressure and enhancing turbocharger efficiency. Ideal for high-output builds and performance tuning.
Sharper Turbo Response & Increased Power
Experience quicker spool times, stronger throttle response, and increased torque across the rev range. With proper tuning, expect noticeable gains in both low-end grunt and top-end power—perfect for spirited street driving or track use.
Aggressive Exhaust Note
A true catless setup transforms the B48’s sound profile. Expect deeper growls, pronounced turbo spool, and more dramatic pops and crackles on throttle lift. This is performance you can hear and feel.
Durable 304 Stainless Steel Construction
Constructed from high-grade 304 stainless steel, this downpipe is TIG-welded for strength and longevity. Precision CNC-machined flanges ensure a perfect fit and leak-free installation.
Direct Bolt-On Installation
Engineered for a clean install, this downpipe bolts directly to the factory turbo and exhaust system without requiring modifications. Compatible with OEM or aftermarket exhausts.
BMW G20 330i / 330i xDrive (2.0L B48 Turbo)
BMW G30 / G31 520i, 530i / xDrive (2.0L B48 Turbo)
For those looking to maximize output from their 2.0L turbocharged BMW, the Untd. Performance Catless Downpipe offers race-ready flow, aggressive sound, and noticeable gains in power and response. Built for performance—tuned for thrill.
⚠️ Note: This product is intended for off-road and motorsport use only. Not emissions-compliant in all regions. Please check local laws before installation.
