catless vs 200 cell RSS
Porsche 911 Turbo S 992 Downpipe Guide — Catless vs 200-Cell, Power Gains, Sound & Fitment (2026)
Why Upgrade Downpipes on a Porsche 992 Turbo S?The Porsche 992 Turbo S produces 640 HP from its 3.8L twin-turbo flat-six — one of the most potent engines in the sports car world. Factory downpipes include two catalytic converters that create exhaust restriction and mute the flat-six’s natural character. Upgrading to high-flow downpipes reduces turbo back-pressure, increases peak power, and transforms the exhaust note from refined to raw.Catless vs 200-Cell Comparison Type HP Gain (with Stage 2) Torque Gain Emissions Sound Best For Catless (race) +80–130 WHP +80–120 lb-ft Off-road / track only Raw flat-six scream, turbo whistle Track monsters,...
Mercedes-AMG A45 & CLA45 Downpipe Guide — M133 M139 Catless vs 200-Cell, Power Gains & Sound (2026)
Why Upgrade the Downpipe on an AMG A45 / CLA45?The Mercedes-AMG A45 and CLA45 use either the M133 (W176/C117, 2013–2019) or M139 (W177/C118, 2019+) turbocharged four-cylinder engine — the most powerful production four-cylinders ever built. The factory downpipe includes a restrictive catalytic converter close-coupled to the turbo. Upgrading to a high-flow downpipe is the most effective bolt-on for reducing turbo lag, increasing peak power, and adding exhaust character to these compact AMG models.Catless vs 200-Cell — Comparison Table Type HP Gain (with Stage 2) Torque Gain Emissions Sound Best For Catless (race) +50–80 WHP +50–70 lb-ft Off-road / track only...
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...
Mercedes-AMG E63 W212 Downpipe Guide — M157 Catless vs 200-Cell, Power Gains, Sound & Install (2026)
Why Upgrade Downpipes on the E63 AMG W212?The Mercedes-AMG E63 W212 (2012–2016) uses the M157 5.5L biturbo V8 — a powerplant shared with the CLS63, S63, SL63, and G63 of the same generation. Factory downpipes include two primary catalytic converters creating significant exhaust restriction. Replacing them with high-flow downpipes reduces turbo spool time, increases peak power, and unleashes the deep V8 growl the M157 is known for.Catless vs 200-Cell Comparison Type HP Gain (with Stage 2) Torque Gain Emissions Sound Best For Catless (race) +80–120 WHP +90–130 lb-ft Off-road / track only Deep, aggressive V8 bark Max power builds 200-cell...
Mercedes-AMG G63 W463 Downpipe Guide — Catless vs 200-Cell, M177 Power Gains, Sound & Install (2026)
Why Upgrade Downpipes on the AMG G63?The Mercedes-AMG G63 W463 uses the M177 4.0L twin-turbo V8 — the same engine found in the C63 S, E63 S, GT63 S, and GT R. The factory downpipes include two primary catalytic converters that restrict exhaust gas flow from the turbos. Upgrading to high-flow downpipes is the most impactful bolt-on for reducing turbo lag, boosting peak power, and giving the G-Class a deeper, more commanding exhaust note.Catless vs 200-Cell — Comparison Table Type HP Gain (with Stage 2) Torque Gain Emissions Sound Best For Catless (race) +80–120 WHP +90–130 lb-ft Off-road only Very...