Low stock
In stock, ready to ship
Fast Shipping
Lifetime Warranty
Get notified by email when this product becomes available
Have a question?
Description
IRL 400 Cell EPA-Certified High-Flow Downpipes
Audi RSQ8 & Lamborghini Urus 4.0T Twin-Turbo V8
Unlock the full potential of your 4.0T Twin-Turbo V8 with the IRL 400 Cell EPA-Certified High-Flow Downpipes. Engineered for enthusiasts who demand maximum performance without compromising quality, these downpipes dramatically improve exhaust flow, reduce backpressure, and deliver quicker turbo spool, sharper throttle response, and an aggressive exhaust note—all while utilizing premium EPA-certified 400-cell catalytic converters.
Constructed from premium T304 stainless steel, every IRL downpipe is precision TIG welded and CNC-machined for exceptional durability, corrosion resistance, and OEM-quality fitment. Designed as a true direct bolt-on replacement, installation requires no modifications and works seamlessly with both factory and aftermarket cat-back exhaust systems.
Whether your goal is improved drivability, increased power, or an exotic V8 soundtrack, the IRL 400 Cell Downpipes deliver the perfect balance of performance, reliability, and emissions-conscious engineering.
Features
- EPA-certified 400-cell high-flow catalytic converters
- Premium T304 stainless steel construction
- CNC-machined flanges for precise OEM fitment
- Precision TIG welded for maximum durability
- Increased exhaust flow and reduced backpressure
- Faster turbo spool and improved throttle response
- Deeper, more aggressive exhaust tone with minimal drone
- Direct bolt-on installation
- Compatible with factory or aftermarket cat-back exhaust systems
Benefits
- Increased horsepower and torque potential
- Improved turbo efficiency
- Enhanced exhaust sound without excessive rasp
- Built to withstand extreme heat and boost pressures
- Designed for long-term reliability
Vehicle Fitment
- 2019+ Lamborghini Urus 4.0T
- 2020+ Audi RSQ8 4.0T
Professional installation is recommended. Performance gains may vary depending on supporting modifications and engine calibration. For the best results, pair with an IRL intake, cat-back exhaust, and ECU tuning.