Product Details
About this part
Unlock sharper turbo response and a more aggressive exhaust note with the IRL 400 Cell Downpipe, engineered for enthusiasts who want improved flow without going to a full race setup. Featuring a high-flow 400 cell catalytic converter, this downpipe is designed to reduce exhaust restriction, helping your turbo spool faster while maintaining a more refined sound profile than catless alternatives.
Built from premium 304 stainless steel with precision TIG welds and smooth mandrel bends, the IRL 400 Cell Downpipe is made to handle the demands of spirited street driving and high-performance use. Its carefully engineered design promotes efficient exhaust flow, supporting better throttle response, increased horsepower potential, and dependable long-term durability.
Features:
● High-flow 400 cell catalytic converter for improved exhaust flow
● Balanced performance and sound for street-friendly driving
● Premium 304 stainless steel construction
● Precision TIG-welded and mandrel-bent tubing
● Improved turbo response and reduced exhaust backpressure
● Increased horsepower and torque potential
● Direct bolt-on installation with factory-style fitment
● Designed for performance street and enthusiast applications
Whether you’re upgrading your daily driver or building a more responsive performance setup, the IRL 400 Cell Downpipe delivers the flow, sound, and quality enthusiasts expect.
It is a violation of Federal and Illinois State laws to use this product in a manner inconsistent with it’s labeling. Our products are "Legal Only For Racing Vehicles Which May Never Be Used, Or Registered or Licensed For Use, Upon A Highway."
Fitment
Not sure it fits? Contact us with your car's year, model and VIN and we'll help you confirm before you order.
If a part doesn't fit as expected, contact us and we'll work with you to resolve it.
Majority of products have a fitment section in the product description or within the title.
Returns
- Unused, uninstalled parts can be returned or exchanged within 30 days of the order date.
- To start a return: Contact us first, don't use Return to Sender.
- Returns can have up to a 20% restocking fee.
- Built-to-order and special-order items can't be returned or cancelled once production begins.
Shipping
- Orders are processed 7 days a week to ensure your product ships as quickly as possible.
- Inspect parts within 10 days of delivery, and reach out regarding any damage or missing pieces.
See our Tariff Policy
Warranty
- All parts retain the manufacturer's warranty.
- Warranty claims are subject to the manufacturer's approval.