Details
Product Information
aFe Momentum GT intake system with two one-piece sealed housings made of heat-resistant XLPE, each with a large clear sight window so the filters can be checked without taking anything apart. Two 8 in tall 360 degree radial flow filters with 3 in flanges and inverted tops use Pro 5R five-layer oiled cotton gauze media, fed through dyno-tuned XLPE intake tubes, silicone elbow couplers and premium clamps. It flows 500 CFM at 7 in H2O, 47% more than the factory intake, and is rated at 18 hp and 22 lb-ft over stock.
Specifications
| Type | Cold Air Intake System |
| Series | Momentum GT |
| Filter Media | Pro 5R, five-layer oiled cotton gauze, washable and reusable |
| Housing | Two one-piece sealed XLPE housings with clear sight windows |
| Filter | Two 8 in tall 360 degree radial flow filters, 3 in flange, inverted top |
| Gains | +18 hp, +22 lb-ft; 500 CFM @ 7 in H2O, 47% more airflow than the factory intake |
| Tune Required | No |
| What's in the Box |
|
| Replacement Filter | 20-91203RM (pair, Pro 5R) |
| Engine | V6-3.4L (tt) |
| Filter Color | Blue |
| Hardware Included | Yes |
| Air Flow Gain | 47 Percent |
| Pre-Filter | 28-10593M |
| Air Box Type | Closed |
| Heat Shield Included | Yes |
| Warranty | 2 years on components (original owner) |
| Part Number | 50-70124R |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2024-2026 | Lexus | GX550 | Luxury |
| 2024-2026 | Lexus | GX550 | Luxury+ |
| 2024-2026 | Lexus | GX550 | Overtrail |
| 2024-2026 | Lexus | GX550 | Overtrail+ |
| 2024-2026 | Lexus | GX550 | Premium |
| 2024-2026 | Lexus | GX550 | Premium+ |
Documents: Installation Instructions (PDF) | Airflow Chart | Dyno Chart | Filter Cleaning Instructions
Will it fit my GX550 Overtrail?
- Yes. It fits the 2024-2026 Lexus GX550 with the 3.4L twin-turbo V6, including the Overtrail, Premium and Luxury trims listed above.
Do I need a tune?
- No tune is required.
What comes in the box?
- Two Pro 5R filters, both sealed housings and intake tubes, two silicone elbow couplers, the clamps, inlet gaskets, push-in rivets and Torx screws.
How do I service the filters?
- The Pro 5R filters are washable and reusable; cleaning instructions are linked under Documents. The replacement filter pair is part number 20-91203RM.
Shipping
- In stock orders typically 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






