ISR Performance - Silicone Coupler - 3.50-4.00" - Black Racing Seat You'll need standard hand tools

You'll need standard hand tools to secure the flaps at the factory points

Multi-platform engineering - Confirmed fit across multiple BMW engine configurations in this generation

The assembly ships with the converter only

Does the burnt tip need any prep or paint before I install it

it's less likely to leak or crack like the OEM unit which uses an aluminum core and plastic end tanks

ISR Performance - Silicone Coupler - 3.50-4.00" - Black Racing Seat You'll need standard hand toolsSilicone Coupler 3. 50 4. 00" Black ** ** Legal only for use in competition vehicles which may never be registered, licensed, and or used on public streets or highways; and also for use in other exempted vehicles.