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Ford Focus ST 250 (Mk3) 2012-18
Our range of sports exhausts for the MK3 Ford Focus ST250 (ST-3) have been developed with a 3 inch bore in order to gain the best results for both increases in power whilst creating a vibrant unrivalled sound. The final performance exhaust systems for the ST250 are available in both a turbo back and cat back only options, independent testing of the cat-back system gave a power increase to 261.5bhp with an 8.27% increase in torque (from 254 ft per lb to 275 ft per lb). The Cobra Sport exhaust systems also offer a weight advantage over the original equipment system with the popular Turbo Back system weighing in 22.5 percent lighter. When purchasing one of our Focus ST MK3 exhaust systems you have two tailpipe design options allowing you to choose from twin 4 inch inward rolled slash-cut tailpipes or twin 4.75 inch ovals.