2018 Subaru WRX STI Type RA: First Drive Review

© Perry Stern, Automotive Content Experience© Perry Stern, Automotive Content Experience
Under the Hood
Horsepower for the Type RA has been increased by five ponies over the standard STI for a total output of 310 horses. The 2.5-liter turbocharged boxer engine gets the extra power via a new cold air intake, a high-flow performance exhaust, a retuned ECU, sodium-filled exhaust valves and stronger pistons. In addition to the added power, the 6-speed manual gearbox gets a short-throw shifter that has been revised with a lower-ratio third gear for better midrange acceleration.

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