Beyond standard EJ20 care, owners should watch for "sticky" interior trim finishes common in this generation. Rare parts like the Recaro seats and S204-specific suspension components can be difficult and expensive to replace.
Collector-grade examples can command significant premiums. Recent listings for highly original units have appeared on specialist sites like Classic.com and The Classic Valuer .
Enhanced rigidity with unique "performance dampers" developed by Yamaha and STI to reduce vibration and improve cornering. Exclusive Features
The S204 sets itself apart from a standard STI through several high-end upgrades:
Each genuine S204 should have a numbered badge in the interior and specific engine bay identifiers.
Includes balanced engine internals (pistons and connecting rods screened for weight) and a larger ball-bearing turbocharger.