This do88 BigPack replaces everything between the turbo outlet and the throttle body on the B285 2.8T V6 with an all aluminum performance intercooler and a two piece mandrel bent pipe kit. Core volume is 13770 cm3 against 7725 cm3 for the OE intercooler, 78 percent larger, and do88 records 315 CFM at 0.15 bar (2.18 psi) pressure drop against 273 CFM stock. Post intercooler air temperature drops to 36°C from 57°C under matched conditions. Turbo to intercooler piping is 2.5 inch and intercooler to throttle body piping is 2.75 inch, joined by custom silicone hoses with four layers of polyester and aramid reinforcement.
Specifications
| Type | All aluminum charge air intercooler and pressure pipe kit (do88 BigPack) |
| Material | Aluminum core with CAD designed, flow optimized cast end tanks |
| Core Volume | 13770 cm³ (OE 7725 cm³), 78% larger |
| Air Flow | 315 CFM at 0.15 bar / 2.18 psi pressure drop (OE 273 CFM), 15% higher |
| Intake Air Temperature | 36°C vs 57°C OE under matched conditions, 21°C lower |
| Charge Pipes | 2.5 in turbo to intercooler, 2.75 in intercooler to throttle body, mandrel bent seamless aluminum |
| Hose Color | Black |
| Hose Material | Silicone with 4 layers of polyester/aramid reinforcement |
| Included | Intercooler, 2 pressure pipes, 4 silicone hoses, 8 hose clamps, installation hardware |
| Quantity | 1 (complete kit) |
| OEM Replacement | 12800599, 13247382, 12790720, 12790723 |
| Part Number | BIG-110-S |
Documents: Installation Instructions (PDF)
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2006 | Saab | 9-3 | Aero 2.8T V6, Turbo X (B285) |
| 2007 | Saab | 9-3 | Aero 2.8T V6, Turbo X (B285) |
| 2008 | Saab | 9-3 | Aero 2.8T V6, Turbo X (B285) |
| 2009 | Saab | 9-3 | Aero 2.8T V6, Turbo X (B285) |
| 2010 | Saab | 9-3 | Aero 2.8T V6, Turbo X (B285) |
| 2011 | Saab | 9-3 | Aero 2.8T V6, Turbo X (B285) |
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
