aFe Momentum GT cold air intake system with a smooth one-piece sealed cross-linked polyethylene housing, a clear sight window, a connection to the factory air inlet plus an auxiliary inlet and a dyno-tuned XLPE intake tube. The 7-1/2 in tall inverted 360 degree radial flow filter uses three-layer oil-free synthetic Pro DRY S media. It flows 17% more air than the factory intake (410 CFM at 7 in H2O) and is rated at 7 hp and 14 lb-ft over stock.
Specifications
| Type | Cold Air Intake System |
| Series | Momentum GT |
| Filter Media | Pro DRY S, three-layer oil-free synthetic, washable and reusable |
| Construction | One-piece sealed XLPE housing with sight window, factory and auxiliary inlets; dyno-tuned XLPE tube; stainless clamps |
| Filter | 7-1/2 in tall 360 degree radial flow, inverted top, 6 x 4 in flange |
| Gains | +7 hp, +14 lb-ft; 17% more airflow than the factory intake (410 CFM at 7 in H2O) |
| What's in the Box |
|
| Fitment Notes | For the 3.6L V6 only; does not fit 2.0L or 2.5L 4-cylinder models. Works with the aFe 46-34010 throttle body spacer |
| Replacement Filter | 21-91156 (Pro DRY S) |
| Engine | V6-3.6L |
| Filter Color | Gray |
| Hardware Included | Yes |
| Air Flow Gain | 17 Percent |
| Pre-Filter | 28-10043 |
| Air Box Type | Closed |
| Heat Shield Included | Yes |
| Tune Required | No |
| Warranty | 2 years on components (original owner) |
| Part Number | 50-70071D |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2017-2019 | Cadillac | XT5 | Base |
| 2017-2019 | Cadillac | XT5 | Luxury |
| 2017-2019 | Cadillac | XT5 | Platinum |
| 2017-2023 | Cadillac | XT5 | Premium Luxury |
| 2020-2023 | Cadillac | XT5 | Sport |
| 2019 | Chevrolet | Blazer | Base |
| 2020-2025 | Chevrolet | Blazer | LT |
| 2019-2025 | Chevrolet | Blazer | Premier |
| 2019-2026 | Chevrolet | Blazer | RS |
| 2020-2023 | GMC | Acadia | AT4 |
| 2017-2023 | GMC | Acadia | Denali |
| 2017-2021 | GMC | Acadia | SLE |
| 2017-2023 | GMC | Acadia | SLT |
Documents: Installation Instructions (PDF) | Airflow Chart | Dyno Chart | Filter Cleaning Instructions
Will it fit the 4-cylinder Blazer or Acadia?
- No. It is made for the 3.6L V6 only.
Can I add a throttle body spacer?
- Yes. It works with the aFe 46-34010 throttle body spacer.
How do I service the filter?
- The Pro DRY S filter is washable and reusable; cleaning instructions are linked under Documents. The replacement filter is part number 21-91156.
What comes in the box?
- Filter, housing, intake tube, silicone bellows reducer coupling, clamps, MAF sensor screws and silicone plug.
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






