Hyundai Veloster Turbo (JS 2019-21)

An ECU flash tune. The 1.6T responds well to a remap - you'll see worthwhile power and torque gains and much sharper throttle and DCT behaviour, all before touching hardware. It's the best value mod by a wide margin on this engine.

On 98 RON with the factory turbo and supporting basics, a Stage 1 tune typically lifts these to roughly 175-190kW at the crank, with a solid mid-range torque increase that's more noticeable than the peak figure suggests. Pushing harder means an intake, intercooler and exhaust to keep intake temps and backpressure in check.

Bolt-ons like an intake or exhaust do very little on their own here - the factory ECU just trims around them. You need the tune to take advantage of any hardware, so plan the flash first and add bolt-ons to support it, not the other way around.

The wet 7-speed DCT is the main thing to respect - it handles a Stage 1 tune fine but doesn't love sustained abuse or heavy launches, so keep its fluid fresh. Otherwise it's a tough little drivetrain; just stick to good fuel and don't chase silly numbers on the stock turbo.