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The Lamborghini Huracán is one of the most iconic supercars of its generation. The 5.2-liter naturally aspirated V10 makes 602 to 640 HP from the factory depending on variant — and while NA engines don't respond to tuning the same way turbocharged platforms do, the Huracán offers significant performance gains through ECU optimization, exhaust systems, intake upgrades, and forced induction. Here's what every level costs. Huracán V10 Performance Upgrade Cost Breakdown Modification Cost Range Expected Gain ECU Optimization $1,999 – $2,999 +20 – 40 WHP Full Exhaust System (headers + exhaust) $4,000 – $12,000 +25 – 50 WHP Performance Intake...

The McLaren 720S is one of the most thrilling supercars ever built — a 710 HP, 4.0-liter twin-turbo V8 wrapped in a carbon fiber monocoque that weighs just 2,828 lbs dry. The M840T engine is also one of the most tunable exotic powertrains on the market, but the process and cost structure are fundamentally different from tuning a BMW or an Audi. Here's exactly what to budget. 720S M840T Tuning Cost Breakdown Modification Cost Range Expected Power Gain Stage 1 ECU Calibration (bench flash) $2,499 – $3,499 780 – 830 WHP Stage 2 ECU + Downpipes $5,499 – $7,499 850...

The Audi RS6 Avant and RS7 Sportback are two of the most capable high-performance grand tourers on the market. Both run the EA825 4.0-liter twin-turbo V8 — a platform with enormous tuning potential that responds aggressively to ECU calibration. Whether you want a subtle bump for highway pulls or a full Stage 3 monster build, here's exactly what every level costs. RS6/RS7 EA825 Tuning Cost Breakdown Modification Cost Range Expected Power Gain Stage 1 ECU Calibration $1,499 – $2,499 700 – 750 WHP Stage 2 ECU + Downpipes $3,499 – $5,499 780 – 850 WHP Stage 3 Full Turbo Build...

The Porsche 992 Turbo S is already one of the fastest production cars on the planet — 640 HP, 3,900 RPM launch control, and a sub-2.7-second 0-60 time. But the 3.7-liter twin-turbo flat-six has significant headroom. If you're considering an ECU calibration or a full performance build, here's exactly what it costs at every level. 992 Turbo S Tuning Cost Breakdown Modification Cost Range Expected Power Gain Stage 1 ECU Calibration $1,799 – $2,499 720 – 760 WHP Stage 2 ECU + Sport Downpipes $4,499 – $6,499 780 – 850 WHP Full Exhaust System (headers to tips) $3,000 – $8,000...

The BMW G80 M3 and G82 M4 pack one of the most capable turbocharged inline-six engines ever built: the S58. With 473 HP in standard form and 503 HP in Competition trim, the S58 is already a monster — but it's also one of the most responsive platforms to ECU calibration in the modern BMW lineup. If you're wondering what it actually costs to tune your M3 or M4 from mild street upgrades to full-send track builds, this guide breaks down every dollar. S58 Tuning Cost Breakdown — Stage by Stage Modification Cost Range Expected Power Gain Stage 1 ECU...