Fiesta ST150 Milltek Sport (Blackline tip) Cat Back Exhaust SystemBrand New Release from Milltek Sport Thermal Coating Protects the Rear Bumper Develops positive back pressure for mid range power. Quality 3. 5 inch 'just right' tailpipe. Take one look at the rear of a Porsche 997 GT3RS and gaze in awe at the black thermal coated tips of the factory Spec race exhaust ! Now take a look at the rear of your ST Fiesta and imagine the same thermal coated tip on the Milltek Sport Race system. Well now its a reality. A