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do88 BigPack Intercooler Kit - VAG 2.0T EA888 Gen4 245 hp 2019-2026 - Black Hoses

do88 SKU: DOBBIG-340-2-S
Price
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This do88 BigPack replaces everything between the turbo outlet and the throttle body on the 245 hp EA888 Gen4 with an all aluminum performance intercooler and a 2.5 inch mandrel bent charge pipe. Core volume climbs to 15811 cm3 from 9056 cm3, 75 percent more, with active cooling area of 2774 cm2 against 2587 cm2. do88 measured 332 CFM at 0.15 bar (2.18 psi) pressure drop against 244 CFM for the OE parts and a post intercooler air temperature of 23°C instead of 35°C under matched conditions. On a stock software VW Golf GTI Clubsport Edition 45 the package returned 12 hp and 14 Nm at peak. The charge pipe carries one 1/8-27 NPT connection for water/methanol injection with a blanking plug fitted, and the black silicone hoses use four layers of polyester and aramid reinforcement.

Specifications

Type All aluminum charge air intercooler and charge pipe kit (do88 BigPack)
Material Aluminum core with CAD designed, flow optimized cast end tanks
Core Volume 15811 cm³ (OE 9056 cm³), 75% larger
Active Cooling Area 2774 cm² (OE 2587 cm²), 7% larger
Air Flow 332 CFM at 0.15 bar / 2.18 psi pressure drop (OE 244 CFM), 36% higher
Intake Air Temperature 23°C vs 35°C OE under matched conditions, 12°C lower
Power Gain 12 hp and 14 Nm at peak, measured on a VW Golf GTI Clubsport Edition 45 with stock software
Charge Pipes 2.5 in mandrel bent seamless aluminum
Water/Methanol Injection One 1/8-27 NPT connection on the charge pipe, blanking plug supplied
Engine Output For the 245 hp EA888 Gen4. A separate do88 kit covers 300 hp and above
Hose Color Black
Hose Material Silicone with 4 layers of polyester/aramid reinforcement
Included Intercooler, charge pipe kit, silicone hoses, clamps and installation hardware
Quantity 1 (complete kit)
OEM Replacement 5Q0145803AE, 5Q0145803AB, 5Q0145803AC, 5WA145828E, 5WA145828F, 5WA145840D, 5WA145840E, 5WA145832, 5WA145832C, 5WA145834, 5WA145770D, 5WA145770C, 5WA145838
Part Number BIG-340-2-S

Documents: Installation Instructions (PDF)

This part fits:

Year Make Model Submodel
2020 Volkswagen Golf GTI 2.0 TSI (Mk8, 245 hp)
2021 Volkswagen Golf GTI 2.0 TSI (Mk8, 245 hp)
2022 Volkswagen Golf GTI 2.0 TSI (Mk8, 245 hp)
2023 Volkswagen Golf GTI 2.0 TSI (Mk8, 245 hp)
2024 Volkswagen Golf GTI 2.0 TSI (Mk8, 245 hp)
2025 Volkswagen Golf GTI 2.0 TSI (Mk8, 245 hp)
2026 Volkswagen Golf GTI 2.0 TSI (Mk8, 245 hp)
2020 Audi A3 2.0 TSI (8Y, 245 hp)
2021 Audi A3 2.0 TSI (8Y, 245 hp)
2022 Audi A3 2.0 TSI (8Y, 245 hp)
2023 Audi A3 2.0 TSI (8Y, 245 hp)
2024 Audi A3 2.0 TSI (8Y, 245 hp)
2025 Audi A3 2.0 TSI (8Y, 245 hp)
2026 Audi A3 2.0 TSI (8Y, 245 hp)
2020 Audi S3 2.0 TSI (8Y, 245 hp)
2021 Audi S3 2.0 TSI (8Y, 245 hp)
2022 Audi S3 2.0 TSI (8Y, 245 hp)
2023 Audi S3 2.0 TSI (8Y, 245 hp)
2024 Audi S3 2.0 TSI (8Y, 245 hp)
2025 Audi S3 2.0 TSI (8Y, 245 hp)
2026 Audi S3 2.0 TSI (8Y, 245 hp)
2020 SEAT Leon 2.0 TSI (Mk4, 245 hp)
2021 SEAT Leon 2.0 TSI (Mk4, 245 hp)
2022 SEAT Leon 2.0 TSI (Mk4, 245 hp)
2023 SEAT Leon 2.0 TSI (Mk4, 245 hp)
2024 SEAT Leon 2.0 TSI (Mk4, 245 hp)
2025 SEAT Leon 2.0 TSI (Mk4, 245 hp)
2026 SEAT Leon 2.0 TSI (Mk4, 245 hp)
2019 Skoda Octavia 2.0 TSI (NX, 245 hp)
2020 Skoda Octavia 2.0 TSI (NX, 245 hp)
2021 Skoda Octavia 2.0 TSI (NX, 245 hp)
2022 Skoda Octavia 2.0 TSI (NX, 245 hp)
2023 Skoda Octavia 2.0 TSI (NX, 245 hp)
2024 Skoda Octavia 2.0 TSI (NX, 245 hp)
2025 Skoda Octavia 2.0 TSI (NX, 245 hp)
2026 Skoda Octavia 2.0 TSI (NX, 245 hp)
2020 Cupra Formentor 2.0 TSI (5FF, 245 hp)
2021 Cupra Formentor 2.0 TSI (5FF, 245 hp)
2022 Cupra Formentor 2.0 TSI (5FF, 245 hp)
2023 Cupra Formentor 2.0 TSI (5FF, 245 hp)
2024 Cupra Formentor 2.0 TSI (5FF, 245 hp)
2025 Cupra Formentor 2.0 TSI (5FF, 245 hp)
2026 Cupra Formentor 2.0 TSI (5FF, 245 hp)

Shipping

  • Orders placed before 3 PM ET typically ship the same business day. Some items ship within 1 to 3 business days.
  • Standard, expedited, and overnight options at checkout.
  • Oversized items ship by freight and take longer.
  • Backordered items ship as soon as stock lands. Contact us for lead times.
  • International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.

Returns

  • 30-day returns on new, uninstalled items in original packaging with all hardware.
  • Standard returns: 8% restocking fee, buyer pays return shipping. Both waived if the item is defective or we made the error.
  • Installed or used parts cannot be returned. Confirm fitment before you install.
  • Special orders and custom items are final sale.
  • Email us for return authorization before shipping anything back.

Full details: Shipping Policy · Refund Policy
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