As you may already know, Aprilia has finally moved away from its decade-long design using a single catalytic converter inside the tailpipe. For the new 2025 RSV4 and TuonoV4 (Euro 5+ compliant), the OEM exhaust system now features a dual catalytic converter integrated into the header “kat-box”, located right under the engine. This change meansContinue reading “Arrow De-Kat Midpipe for Aprilia RSV4 / TuonoV4 2025–2026 (Euro 5+)”
