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Untd. Performance Catless W/ Shield Downpipe – BMW M850I G14 G15 G16 X5M X5 G05 G30 M550I N63R
$1,100.00
Boost the performance of your BMW M850i, X5 G05, or G30 M550i with the Untd. Performance Catless Downpipe designed for the N63R 4.4L twin-turbo V8. This high-flow, catless downpipe dramatically improves exhaust flow, increases horsepower and torque, delivers quicker turbo spool, and enhances throttle response. Enjoy a deeper, louder, and more aggressive exhaust tone while unlocking the true performance potential of your N63R-powered BMW. Ideal for enthusiasts seeking maximum power gains, improved turbo efficiency, and a race-inspired sound.
Available on backorder
Description
Unlock the hidden performance of your N63R-powered BMW with the Untd. Performance 200 Cell High Flow Cat Downpipe with Heat Shield, engineered for the M850i (G14/G15/G16), X5 (G05), and M550i (G30). Built for drivers who want faster turbo spool, sharper throttle response, and a deeper, more aggressive exhaust presence while maintaining emissions compliance, this downpipe lets your twin-turbo V8 breathe at its full potential.
Key Features
High-Flow 200 Cell Catalysts for Optimized Power
Featuring high-flow 200-cell catalytic converters, this downpipe reduces backpressure while maintaining emissions compliance. The result is quicker boost buildup, improved throttle response, and solid gains in horsepower and torque across the RPM range.
Enhanced, Aggressive Exhaust Note
Transform your N63R’s refined tone into a more pronounced, performance-inspired sound. Expect a deeper rumble, louder turbo spool, and a more commanding exhaust character that perfectly complements BMW’s 4.4L twin-turbo V8.
Improved Turbo Response & Mid-Range Performance
By optimizing exhaust flow and reducing restriction, this downpipe allows your N63R to pull harder and more consistently. Pair it with a tune for even greater gains and unlock the full capability of BMW’s modern high-output V8.
Durable, Track-Ready Construction
Crafted from high-quality stainless steel, the downpipe features TIG-welded joints and CNC-machined flanges for a precise, leak-free fit. Designed to withstand extreme temperatures and high-pressure conditions, it’s built for both street use and demanding track environments.
Integrated Heat Shield
The included heat shield reduces radiant engine bay heat, protecting nearby components and maintaining consistent performance even under high-stress driving conditions.
Direct Bolt-On Installation
Engineered to align perfectly with factory turbochargers and stock exhaust routing, installation requires no cutting or welding. Enjoy a clean, simple fitment with OEM-like integration.
Compatibility
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BMW M850i (G14/G15/G16) – N63R 4.4L Twin-Turbo V8
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BMW X5 (G05) 50i / M50i – N63R 4.4L Twin-Turbo V8
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BMW M550i (G30) – N63R 4.4L Twin-Turbo V8
Whether you’re looking for noticeable performance gains, improved turbo efficiency, or a more aggressive exhaust profile, the Untd. Performance 200 Cell High Flow Cat Downpipe with Heat Shield is the ultimate upgrade for your N63R-powered BMW.
⚠️ Note: Designed for off-road and motorsport use. While emissions-compliant in many areas, check local regulations before installation.
Additional information
| Weight | 29 kg |
|---|---|
| brand | Untd. Performance |
| Make | Model | Year |
|---|---|---|
| BMW | M550i | 2022 - 2026 |
| BMW | M850I | 2022 - 2026 |
| BMW | X5 | 2022 - 2026 |
| BMW | X5 M | 2022 - 2026 |
