Milltek BMW 4 Series F82/83 M4 Coupe/Convertible‚ M4 Competition (OPF/GPF equipped models only) 2019-2020 GPF/OPF Bypass Exhaust - SSXBM1127 Make & Model_Ford Focus ST Manufactured from 60 Durometer(Street Density)

Manufactured from 60 Durometer(Street Density) with Void-Free Construction

7 / 5650 rpm 370

The Plumb Back system recirculates all excess pressure back into the intake system

We also completed our secondary goal of ensuring the manifold was a true direct replacement by utilising the original throttle body and pipework

These larger more free-flowing turbines can handle significantly more exhaust volumes compared to "conventional" turbines without generating excessive exhaust backpressure

Milltek BMW 4 Series F82/83 M4 Coupe/Convertible‚ M4 Competition (OPF/GPF equipped models only) 2019-2020 GPF/OPF Bypass Exhaust - SSXBM1127 Make & Model_Ford Focus ST Manufactured from 60 Durometer(Street Density)All Milltek performance exhaust systems are manufactured from T304L stainless steel; giving you the satisfaction of knowing that our products are meant to last within some of the toughest environments. T304L is a highly durable form of stainless steel that is far less susceptible to degradation and discolouration than many others of its kind, while it will last almost indefinitely.