The Injen Evolution intake for the EJ257 WRX STI pairs a roto-molded polyethylene airbox and boost plenum with an integrated ram air scoop that feeds cool air to the turbo. A dyno tuned 6061 aluminum tube uses Injen's patented Air Fusion and MR Technology to hold safe fuel trims, and the downward facing SuperNano-Web dry filter seals leak free. Rated at up to 26 hp and 34 lb-ft of torque on the stock calibration.
Specifications
| Type | Closed-box cold air intake with ram air scoop (Injen Evolution) |
| Housing | Roto-molded polyethylene airbox and scoop with boost plenum |
| Material | 6061 aluminum intake tube |
| Filter | SuperNano-Web dry (replacement X-1070-BB) |
| Dyno Gains | Up to 26 hp and 34 lb-ft |
| Tuning | No tune required; designed to work with the stock calibration |
| Emissions | Not CARB exempt; not for sale or use on California-registered vehicles |
| Accessory | Optional hydroshield 1076BLK |
| Part Number | EVO1206 |
| Warranty | Injen limited lifetime warranty |
Documents: Installation Instructions 1 (PDF) Â |Â Technical Drawing (PDF) Â |Â Installation Instructions 2 (PDF)
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2015-2017 | Subaru | WRX STI | Base |
| 2015 | Subaru | WRX STI | Launch Edition |
| 2015-2017 | Subaru | WRX STI | Limited |
| 2016 | Subaru | WRX STI | Series.HyperBlue |
Shipping
- Orders placed before 3 PM EST typically ship the same business day. Larger items ship within 1 to 3 business days.
- Standard, expedited, and overnight options at checkout.
- Oversized items ship by freight and take longer.
- Special order items follow a lead time we confirm with you individually before the order is committed.
- Backordered items ship as soon as stock lands. Lead times are manufacturer estimates and can change. Contact us for current ETAs.
- Need to cancel? Email us right away. Cancellations are not guaranteed once an order is in process. In-stock orders cancel free before they ship; a 6% fee applies only to confirmed backorders and special orders.
- 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 days from delivery to request and ship back a return on new, uninstalled items in original packaging with all hardware.
- Standard returns: 8% restocking fee on the item price before tax and shipping. Shipping is not refunded in either direction. All waived if the item is defective or we made the error.
- Fitment guaranteed: select your vehicle above, or confirm fitment with us in writing before you order. If the part shows as a fit and it is wrong, the return is on us, even after installation. Otherwise, installed or used parts cannot be returned.
- Final sale: special orders, coilovers, electronics, engine internals, turbochargers, superchargers and turbo kits, unless defective or we sent the wrong item.
- Product images may be representative. The SKU and specifications in the listing are what ships.
- Email us for return authorization before shipping anything back.
Full details: Shipping Policy · Returns & Refunds · Warranty
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