The Injen SP cold air intake replaces the factory air box and resonator on the TSX 2.4L with a two-piece 6061-T6 aluminum intake that places a 3.5 inch filter low in the fender for cooler air. The fully serviceable SuperNano-Web dry filter needs no oil. Dyno testing shows gains of up to 10 hp and 8 lb-ft of torque.
Specifications
| Type | Cold air intake |
| Series | Injen SP |
| Material | Two-piece 6061-T6 aluminum intake tube |
| Finish | Polished |
| Filter Media | SuperNano-Web dry (no oil), serviceable |
| Replacement Filter | X-1015-BB |
| Pre-Filter (optional) | Hydroshield 1033BLK / 1033RED, sold separately |
| Install | Requires removing the front bumper, air resonator box, battery and tray, and factory air box |
| What's in the Box |
|
| Gains | Up to +10 hp and +8 lb-ft |
| Emissions | Covered by CARB Executive Order D-476-5 for the 2004-2006 Acura TSX 2.4L |
| Engine | 2.4L L4 |
| Quantity | 1 |
| Warranty | Limited lifetime for the original purchaser |
| Part Number | SP1431P |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2004-2008 | Acura | TSX | Base |
Documents: Installation Instructions (PDF)
Which TSX years does it fit?
- The 2004-2008 Acura TSX with the 2.4L engine.
Is it emissions legal?
- It is covered by CARB Executive Order D-476-5 for the 2004-2006 Acura TSX 2.4L.
What filter does it use?
- A 3.5 inch SuperNano-Web dry filter that needs no oil. The replacement filter is X-1015-BB.
What is the warranty?
- Limited lifetime for the original purchaser.
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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