3" To 3.5" Silicone Intake Coupler
A popular upgrade on BMWs is to switch from a 3" MAF to a 3.5". The 3.5" MAF can be found on 540i, 740i and some porsche models. To accomplish this task you will need to have a coupler that converts your 3" intake or throttle body to the 3.5" MAF. This can also be used on custom turbo setups where you need to increase or reduce the piping.
These high quality silicone couplers are made from 4 ply reinforced silicone layers and are 3" long.
- 3" to 3.5" Silicone Coupler (76mm to 89mm)
- Length: 3"
- Working Pressure: 0.3Mpa (43.5 PSI) to 0.9Mpa (130.5 PSI)
- Working Temperature: -76°F (-60°C ) to +500°F (+260°C)