40 Series Delta Force Race Muffler 409S -2.5" Inlet Centered/Outlet Centered 530xi Under the new FIA 8860-2018

Under the new FIA 8860-2018 standard all helmets must withstand the following tests:

Black Oxide Coated Drop-Forged Steel Hardware

This is the best setup as it allows better axle angle and engine placement

and Acura Integra DC2

* Improved lock angle

40 Series Delta Force Race Muffler 409S -2.5" Inlet Centered/Outlet Centered 530xi Under the new FIA 8860-2018The Delta Force 40 series race mufflers utilize Flowmaster's Delta Flow technology and feature excellent power characteristics with good sound reduction qualities. Recommended for all racing applications where mufflers are required with a substantial decibel reduction over open headers. Features: Durable fully welded 16 gauge stainless steel two chamber race muffler Good decibel reduction over open headers No internal packing to blowout Race proven