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Ferrari 488 GTB & Spider Downpipe Guide — Catless vs 200-Cell, F154 Power Gains, Sound & Fitment (2026)
Why Upgrade Downpipes on a Ferrari 488 GTB?The Ferrari 488 GTB uses the F154 3.9L twin-turbo V8 — Ferrari’s first turbocharged road car engine in decades. Factory downpipes include restrictive catalytic converters that mute the exhaust note and limit exhaust gas velocity. Upgrading to high-flow downpipes restores the dramatic V8 soundtrack, reduces turbo back-pressure, and unlocks meaningful power gains — especially when combined with an ECU calibration.Catless vs 200-Cell Comparison — Ferrari 488 Type HP Gain (with Stage 2) Torque Gain Emissions Sound Best For Catless (race) +60–100 WHP +50–80 lb-ft Off-road / track only Screaming V8, pops & crackles...