aFe 56-70010D is the Takeda Momentum intake for specified non-hybrid Subaru Crosstrek H4-2.0L applications. One Pro DRY S filter fits the XLPE window housing. Two XLPE tube sections incorporate a factory-style Helmholtz chamber; the original vacuum hose, mounting bushings and inlet scoop remain in use.
Both exact current manufacturer pages headline Crosstrek 2018–2025 H4-2.0L and explicitly exclude hybrid models. Both exact linked 24-page manuals still cover 2018–2020. Exact selected-part retailer tables confirm Base/Premium 2018–2023 and Limited 2018–2020; only the two Base/Premium ranges extend through that named 2023 endpoint. Later 2024–2025 named-trim and housing confirmation remains open despite the current broader manufacturer headline. No 2.5L, hybrid, 2026 or Impreza application is inferred from related components or marketplace compatibility tables. A marketplace table that includes later Limited/Sport 2.5L and hybrids conflicts with the exact manufacturer engine and hybrid restriction and is not used to add those groups.
| Years | Make | Model | Named trim; actual engine and hood requirements apply |
|---|---|---|---|
| 2018-2023 | Subaru | Crosstrek | Base |
| 2018-2020 | Subaru | Crosstrek | Limited |
| 2018-2023 | Subaru | Crosstrek | Premium |
Verify 56-70010D against the actual engine, sensor and vent connections, mounting locations and applicable emissions requirements before ordering.
| Brand | aFe POWER |
| Manufacturer Part Number | 56-70010D |
| Product type | Takeda Momentum enclosed cold air intake |
| Selected filter | One 21-91103; 3.5-inch flange, 5-inch base, 4.5-inch inverted top, 7.5-inch height |
| Media | Three-layer oil-free synthetic, washable/reusable |
| Tube sections | XLPE 05-5670010B1 and 05-5670010B2 |
| Housing | XLPE window housing 05-5670010B3 |
| Inter-tube coupling | 05-01264, 3.5-inch silicone hump; two #056 03-50009 clamps |
| Throttle-body coupling | 05-01501, 2.75-inch silicone hump; two #044 03-50019 clamps |
| MAF screws | Two Torx M4 03-50491; length unspecified in exact manual |
| Mounting | Two original bushings/steel inserts and separate isolation mount; boss faces housing |
| Inspection / torque | Check bolts, clamps and connectors after 100–200 miles; no numeric torque specified |
| Quantity | Manufacturer service part | Component |
|---|---|---|
| 1 | 21-91103 | Selected filter; alternate-media row is not a second supplied filter |
| 1 | 05-5670010B1 | Tube 1 of 2, per BOM |
| 1 | 05-5670010B2 | Tube 2 of 2, per BOM |
| 1 | 05-5670010B3 | Window housing |
| 1 | 05-00937 | Airbox plug |
| 2 | 03-50009, #056 | 3.5-inch hump clamps |
| 2 | 03-50019, #044 | 2.75-inch hump clamps |
| 1 | 05-01264 | 3.5-inch silicone hump |
| 1 | 05-01501 | 2.75-inch silicone hump |
| 2 | 03-50491 | Torx M4 sensor screws; length unspecified |
| 1 | 03-50616 | Retainer clip |
Retain the original vacuum hose and spring clip, original inlet scoop and both body clips, two housing screws and mount nut. Transfer both original rubber bushings and steel inserts and the separate isolation mount, with its boss facing the new housing and its tabs in the illustrated orientation. The manual’s coupling step calls the chamber tube B1 while the exploded BOM identifies that chamber section as B2; follow the actual illustrated sensor/chamber arrangement and specified coupling sizes rather than silently renaming service parts. The current accessory widget offers an elbow reducer not listed in this exact kit BOM; it is not substituted for the two supplied humps. The plug is listed and illustrated without a separate numbered installation step. No MAF extension, replacement vacuum hose, screw-access plugs, NPT fitting or ECM bracket is listed. The filter clamp has no separate BOM code. Service supplies are separate.
aFe Power develops application-specific intake, filtration, exhaust, cooling, tuning, suspension, drivetrain, and truck-performance components supported by product testing and documented installation requirements.
One 21-91103 Pro DRY S filter. The alternate-media manual row is not a second supplied filter.
Does the dry filter require oil?No. D uses three-layer oil-free synthetic media; R uses five-layer pre-oiled cotton gauze.
Does this fit hybrid or 2.5L Crosstreks?No. The exact manufacturer page identifies 2.0L and explicitly excludes hybrids; no 2.5L mapping is inferred.
Does the newer headline certify every trim through 2025?No. The current manufacturer headline ends in 2025, but the older manual ends in 2020 and the exact named rows currently confirmed here extend Base/Premium only through 2023.
How is the isolation mount oriented?Its boss faces the new housing. Preserve the illustrated tab orientation and reuse the original mount nut.
Is the accessory elbow reducer part of this kit?The exact kit BOM lists two hump couplings, 3.5-inch and 2.75-inch, with two #056 and two #044 clamps.
Is a MAF extension supplied?No. Transfer the original sensor with the two M4 screws; the exact manual does not state their length.
What preparation, torque and inspection interval apply?The exact manual requires negative-battery disconnection before proceeding. It gives no numeric torque and calls for a check after 100–200 miles.
Verify aFe 56-70010D. Work on a cool engine and disconnect the negative battery terminal as required by this exact manual’s preparation instructions. Disconnect the MAF harness. Slide down the original vacuum-hose spring clip and disconnect the hose. Release the intake-manifold tube clip, loosen the throttle-body and airbox clamps and remove the original tube. Remove the original scoop and retain both body clips. Unclip the airbox lid and remove it with the original filter. Remove and retain the two housing screws and mount nut, then lift out the original airbox. Push out both steel inserts, remove the two rubber bushings and retain them. Remove the separate isolation mount and its nut. Transfer the bushings and steel inserts to the new housing; install the isolation mount with its boss facing the housing and its tabs oriented as illustrated. Place the housing into the chassis, restore the two lower screws and the isolation-mount nut, then snap the selected filter fully into place. Fit the 3.5-inch hump at the larger chamber-tube connection with #056 clamps and the 2.75-inch hump at its throttle-body connection with #044 clamps. Leave the connections loose while aligning. Transfer the MAF from the original airbox lid using the two supplied M4 screws, then insert the sensor tube into the inter-tube coupling and filter. Restore the original vacuum hose and spring clip and secure the tube with the retainer clip. Tighten the filter and coupling clamps, reconnect the MAF and restore the original scoop with both original body clips. Check all connections and clearance. Recheck bolts, clamps and connectors after 100–200 miles. No numeric torque or engine-cover step is specified.
The exact linked family bench chart shows 390 CFM Pro DRY S, approximately 34% above stock 290 CFM at 7 inches H2O. Both selected-media Dynojet images compare a January 22, 2019 baseline at SAE factor 0.98 with a January 29 intake run at factor 1.01. Both run notes state second gear and squared 235/75/15 tires. At the marked 5,000 rpm, 110.11 versus 106.27 hp differs by 3.84 hp; 115.65 versus 111.62 lb-ft differs by 4.03 lb-ft, approximately the 4 hp/4 lb-ft headline. Independent maxima 125.32 versus 121.86 hp and 120.53 versus 117.07 lb-ft each differ by 3.46. Different-date point and peak comparisons with different correction factors are not guaranteed gains or calibration compatibility for every vehicle. No stock wheel, fan, fuel or exhaust configuration absent from these run notes is invented. Both exact manufacturer pages and manuals state this product is not CARB exempt and is unavailable for purchase in California or use on California-registered vehicles.
California Proposition 65 warning: this product can expose you to chemicals known to the State of California to cause cancer and reproductive harm.
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