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do88 BigPack Black Y-Pipe Intercooler Kit with Inlet Hoses - Porsche 911 Turbo / GT2 (997.1) 2007-2009

do88 SKU: DOBBIG-140SV-76
Price
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This do88 BigPack brings the MERA motorsport grade intercoolers together with the do88 high flow Y-pipe and the hoses and hardware to fit them. High density Garrett bar and plate cores sit behind 3D freeform cast end tanks, and custom carbon fiber ambient air guides seal against the body so the cooling air is forced through the core rather than around it. do88 recorded 771 CFM at 0.175 bar (2.54 psi) pressure drop against 564 CFM for the OE system and an 18°C lower inlet air temperature across five consecutive full throttle runs on a Stage 1 car. The Y-pipe is built from 2.75 inch (70 mm) mandrel bent aluminum joined by a cast collector with NC machined blow off valve and breather connections, finished in semi gloss black powder coat. Turbo outlet hoses use a high temperature specification material rated to 240°C (464°F) continuous. This configuration adds the do88 inlet hoses to the package so the intake side is upgraded alongside the intercoolers and Y-pipe.

Specifications

Type Charge air intercooler pair and cast Y-pipe kit (do88 BigPack MERA)
Material Garrett bar and plate core, 3D freeform cast aluminum end tanks, carbon fiber ambient air guides
Air Flow 771 CFM at 0.175 bar / 2.54 psi pressure drop (OE 564 CFM), 37% higher
Intake Air Temperature 18°C lower than OE, peak delta over five consecutive full throttle runs
Inlet/Outlet 70 mm (2.75 in) intercooler connections
Y-Pipe 2.75 in (70 mm) mandrel bent aluminum with cast collector, 1.52 kg
Finish Semi gloss black powder coat Y-pipe
Weight 8.45 kg (18.10 lb) per intercooler
Hose Material Silicone, turbo outlet hoses rated to 240°C (464°F) continuous
Included 2 MERA intercoolers, Y-pipe, inlet hoses, carbon fiber air guides, silicone hoses, clamps and fitting hardware
Configuration With inlet hoses
Quantity 1 (complete kit)
OEM Replacement 99711063900, 99711064000, 99711063970, 99711064070, 99711064672
Part Number BIG-140SV-76

Documents: Installation Instructions (PDF)

This part fits:

Year Make Model Submodel
2007 Porsche 911 Turbo, GT2 (997.1)
2008 Porsche 911 Turbo, GT2 (997.1)
2009 Porsche 911 Turbo, GT2 (997.1)

Shipping

  • In-stock orders placed before 3 PM EST ship the same day — everything else ships within 24 hours.
  • 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 can’t 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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