07/16/2026
Meet the New IRL E90/E92 M3 MaxFlow Race Catback System
The legendary BMW E9X M3 deserves an exhaust system built to match the character of its high revving S65 V8. Introducing the IRL MaxFlow Race Catback engineered for enthusiasts who demand maximum flow, aggressive sound, and uncompromising performance.
Designed around the needs of true BMW drivers, the MaxFlow Race Catback delivers an exhilarating motorsport inspired tone while maintaining the precision fit and finish expected from IRL. Every bend, transition, and component was developed to maximize exhaust velocity and reduce restriction, allowing the S65 engine to breathe like never before.
Featuring a lightweight T304 stainless steel construction, precision TIG welding, and a straight through design, the MaxFlow Race Catback is built for those who want the ultimate connection between driver and machine.
MAXIMUM FLOW. MAXIMUM SOUND. MAXIMUM PERFORMANCE.
Key Features
* MaxFlow Race Design optimized for unrestricted exhaust flow and maximum performance
* Aggressive S65 V8 Sound deep, raw, and unmistakable BMW Motorsport tone
* Straight Through Performance Layout designed to reduce restriction and improve response
* T304 Stainless Steel Construction built for durability and long term performance
* OEM-Level Fitment direct bolt on installation for BMW E90/E92 M3
* Precision Valve Integration retains factory valve functionality
* Lifetime Warranty backed by IRL quality and craftsmanship
From the street to the track, the IRL E90/E92 M3 MaxFlow Race Catback transforms the driving experience and unlocks the true personality of the S65 V8.
IRL MaxFlow Race Catback Built for Performance. Engineered for the Ultimate Driving Machine.
Available Now
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