The IRL Stainless Steel Catback Exhaust System for the F8X M3/M4 platform - engineered by demand and built to elevate both performance and sound.

Designed with enthusiasts in mind, this system retains full OEM exhaust valve functionality, ensuring seamless integration with factory controls while delivering a more aggressive tone when you want it.

Features

  • Premium full stainless steel construction for durability and corrosion resistance
  • 24 lbs lighter than the OEM exhaust system
  • True bolt-on installation — no cutting or welding required
  • 100% reversible, allowing you to return to stock at any time
  • Retains OEM exhaust valve operation for factory-like drivability
  • Proven gains of up to +20 wtq over stock

Also available for the F8X M3/M4 from IRL is their High Flow Single Midpipe and Extended Clearance Midpipe Brace. 

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