Milltek BMW 1 Series 135i Coupe E82 and Cabriolet E88 (N55) 2010-2012 Secondary Cat-back Exhaust Allow Discount Dyno result: Max gains on

Dyno result: Max gains on BMW 328i + 13

Raised from the engine to help dissipate heat

The fact is that it's even more popular than in the 80's

the turbocharger feels more responsive and there's also a great improvement in throttle response

Built-in oscilloscope: Yes

Milltek BMW 1 Series 135i Coupe E82 and Cabriolet E88 (N55) 2010-2012 Secondary Cat-back Exhaust Allow Discount Dyno result: Max gains onAll 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.