aFe 51-12172-C is the Track Series Stage-2 intake for qualified naturally aspirated 6.4L HEMI Challenger, Charger and Chrysler 300 applications. Its clear-coated twill-weave carbon fiber tube works with a powder-coated aluminum shield and one three-layer oil-free filter. The original intake-temperature sensor transfers into the tube fitting; the original housing grommet, metal sleeve and airbox bolt are reused. Shaker hoods and the aFe throttle-body spacer specified below are excluded.
Current exact manual identifies Challenger and Charger 2011-2023 with naturally aspirated 6.4L HEMI, Chrysler 300 2012-2014 and 300 C 2023. Its 300 make is printed Dodge, but the actual model is Chrysler; that heading is not a new Dodge model. Current primary expressly excludes Shaker-hood vehicles and throttle-body spacer 46-32007. Some exact-part retailer tables nevertheless list 2016 Shaker and 2021 Shaker Widebody; those positives conflict with the manufacturer exclusion and are withheld pending exact hood-clearance resolution. Other supported named groups appear below, conditional on actual 6.4L engine and non-Shaker configuration. A retailer extension of Challenger R/T 392 through 2019 remains unconfirmed for that exact named trim; its earlier bounds are retained. No 5.7L, 6.1L, supercharged 6.2L or engine-only trim is inferred. Mechanical 2021-2023 coverage does not establish an emissions exemption for those years.
| Years | Make | Model | Named trim; actual engine and hood requirements apply |
|---|---|---|---|
| 2012-2014 | Chrysler | 300 | SRT8 |
| 2013 | Chrysler | 300 | SRT8 Core |
| 2017-2018 | Dodge | Challenger | R/T 392 |
| 2016-2023 | Dodge | Challenger | R/T Scat Pack |
| 2015 | Dodge | Challenger | Scat Pack |
| 2015-2018 | Dodge | Challenger | SRT 392 |
| 2017-2018 | Dodge | Challenger | T/A 392 |
| 2017-2018 | Dodge | Charger | Daytona 392 |
| 2017-2018 | Dodge | Charger | R/T 392 |
| 2015-2018 | Dodge | Charger | R/T Scat Pack |
| 2019-2023 | Dodge | Charger | Scat Pack |
| 2015-2018 | Dodge | Charger | SRT 392 |
| 2012-2014 | Dodge | Charger | SRT8 |
| 2023 | Chrysler | 300 | C |
| 2019-2023 | Dodge | Challenger | R/T Scat Pack Widebody |
| 2011-2014 | Dodge | Challenger | SRT8 |
| 2021 | Dodge | Challenger | T/A 392 Widebody |
| 2020 | Dodge | Charger | Scat Pack 392 Widebody |
| 2022-2023 | Dodge | Charger | Scat Pack Widebody |
Verify 51-12172-C against the actual engine, sensor and vent connections, mounting locations and applicable emissions requirements before ordering.
| Brand | aFe POWER |
| Manufacturer Part Number | 51-12172-C |
| Product line | Track Series Stage-2; earlier Magnum FORCE naming |
| Filter | One 21-91035, three-layer oil-free synthetic Pro DRY S |
| Filter dimensions | 6-inch flange; 9-inch base; 7-inch inverted top; 7-inch height |
| Tube | 05-12172C1; high-gloss clear-coated twill-weave carbon fiber |
| Housing | 05-12172B3; powder-coated aluminum heat shield |
| Coupling | 05-01555 silicone reducer |
| T-bolt clamps | 03-50262, 4-1/8 to 4-1/2 inches; 03-50498, 3-9/16 to 3-7/8 inches |
| Mounting hardware | Three M6x1x12 hex bolts; three lock and three flat washers; one male/female isolation mount |
| Trim | 13-inch rubber edge; separate 25-inch and 17-inch seal pieces |
| Vent hose | One 3/4-inch hose; length not specified in current bill |
| Reused parts | Original intake-temperature sensor, housing grommet/metal sleeve and original airbox bolt |
| Exclusions | Shaker hood; aFe throttle-body spacer 46-32007 |
| Emissions qualification | D-550-51 exact exhibit lists specified 6.4L Challenger/Charger groups through 2020 and Chrysler 300 SRT8 2012-2015; later fitment is not later EO coverage |
| Bench-flow qualification | Linked chart: dry 520 CFM, oiled 550 CFM, stock 480 CFM at 7 inches H2O; primary separately advertises dry 600 CFM |
| Procedure limits | Negative battery disconnection; no numeric torque; approximately 100-200-mile retightening |
| UPC | 802959514573 |
| WARNING | This product can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and reproductive harm. For more information go to www.P65Warnings.ca.gov. |
| Quantity | Manufacturer service part | Component |
|---|---|---|
| 1 | 21-91035 | Selected grey dry filter; blue oiled filter is alternative |
| 1 | 05-12172B3 | Aluminum housing |
| 1 | 05-12172C1 | Carbon fiber tube |
| 1 | 03-50206 | Male/female isolation mount |
| 3 | 03-50071 | Lock washers |
| 3 | 03-50032 | M6x1x12 hex bolts |
| 3 | 03-50070 | Flat washers |
| 1 | 03-50262 | 4-1/8 to 4-1/2-inch T-bolt clamp |
| 1 | 03-50498 | 3-9/16 to 3-7/8-inch T-bolt clamp |
| 1 | 03-50196 | Isolation pad |
| 1 | 05-01555 | Silicone reducer coupling |
| 1 | 05-00149 | 13-inch rubber edge trim |
| 1 | 05-00072 | 25-inch seal trim |
| 1 | 05-00072 | 17-inch seal trim |
| 1 | 05-00070 | 3/4-inch crankcase hose; cut length unspecified |
Only one selected dry filter is supplied. The blue oiled filter shown as a shared-manual alternative is not an additional element. No new temperature sensor, MAF sensor, engine valve cover, original housing sleeve/grommet or original airbox bolt is billed. The manual refers to 8 mm and 10 mm bolts by removal-tool context; the supplied hex bolts are explicitly M6x1x12 in its bill. The temperature sensor fits the aluminum fitting on the carbon tube, rather than a newly supplied MAF assembly.
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 dry filter, carbon fiber tube, aluminum shield, reducer, two T-bolt clamps, isolation mount/pad, three bolt and washer sets, three trim lengths and one crankcase hose.
Does this work with the Shaker hood?The exact manufacturer page expressly excludes Shaker hoods. Conflicting retailer Shaker positives remain unresolved; do not treat them as clearance approval.
Can the aFe throttle-body spacer be combined with it?No. The exact primary excludes spacer 46-32007 with this intake, regardless of a related-products recommendation.
Does the temperature sensor transfer or get replaced?Transfer the original intake-temperature sensor into the tube aluminum fitting after installing the tube, then reconnect its original harness. No new sensor or MAF is billed.
Which original mounting pieces are reused?Transfer the original housing grommet and metal sleeve, and reuse the original airbox bolt. The old fender-side bolt is replaced by the isolation-mount arrangement.
How are the tube and housing secured?One M6 bolt and washer set secures housing to the isolation mount; the other two sets attach tube to housing. Tighten tube-side coupling clamp first, then throttle-body clamp after alignment.
Does later mechanical fitment mean later EO coverage?No. The actual D-550-51 exhibit has narrower selected-part year groups through 2020 for Dodge and 2012-2015 for Chrysler 300 SRT8. Verify the exact application and order conditions.
What battery, torque and recheck instructions apply?Disconnect negative battery before work. The manual gives no numeric torque and calls for retightening all connections after approximately 100-200 miles.
Verify aFe 51-12172-C. Read all twelve pages and compare the exact hood, engine, spacer and emissions restrictions. With the engine cool, disconnect the negative battery terminal. Retain the original airbox bolt identified by the 8 mm tool step, loosen the throttle-body clamp and unplug the temperature-sensor connector while leaving the sensor in the old tube for now. Remove the driver-side engine valve cover and old crankcase hose, then the old intake system. Remove the fender-side bolt identified by the 10 mm tool step; it is not reused. Fit the supplied isolation mount. Transfer the original housing grommet and metal sleeve, apply all specified trim pieces, and place the isolation pad where the housing rests. Secure housing to the isolation mount with one supplied bolt, lock washer and flat washer, and reinstall the original airbox bolt. Fit the reducer and T-bolt clamps onto the tube, tightening only the tube-side clamp first. Pass the tube through the housing opening and fit it over the throttle body. Secure the tube with the two remaining bolt/washer sets, then tighten the throttle-body clamp. Transfer the temperature sensor into the aluminum fitting and reconnect its harness. Install the supplied crankcase hose between tube and valve cover, fit the selected dry filter and secure its filter clamp. Restore the driver-side engine valve cover. No numeric torque is given. Retighten all connections after approximately 100-200 miles; EO sticker placement does not extend the actual exempt application list.
The primary advertises 600 CFM and 9% more flow for the dry kit. Its actual linked chart instead shows dry 520 CFM, oiled 550 CFM and stock 480 CFM at 7 inches H2O, giving an approximately 8.33% dry increase. This document/revision conflict remains unresolved; neither the oiled 650-CFM headline nor a guaranteed dry 600-CFM result is certified here. The linked dyno marks 341.55 versus 320.80 HP and 446.56 versus 419.43 lb-ft, differences of 20.75 HP and 27.13 lb-ft. Run maxima instead differ by 22.21 HP and 23.28 lb-ft. Baseline is November 16, 2017 at 10:57:26 AM with SAE 1.00, versus February 23, 2018 at 11:20:56 AM with SAE 0.97, described as Track Series after miles. Both note original exhaust, fifth gear and blade fan. The chart does not identify the filter medium, so it is not independent selected-dry-media certification or a guaranteed gain. Full six-page D-550-51 and its exact exhibit list selected-part Challenger SRT8 2011-2015, Challenger SRT 2016-2018 and Challenger including Widebody 2019-2020; Charger SRT8 2012-2015, SRT 2016-2018 and Charger including Widebody 2019-2020; and Chrysler 300 SRT8 2012-2015, all 6.4L naturally aspirated. These EO labels do not themselves prove every trim or physical fitment year. No 2021-2023 exemption is established by that exhibit. The order is conditional on its actual installation and operating requirements and is not an endorsement of power or emissions-benefit claims. Manufacturer Shaker and spacer exclusions override conflicting retailer positives.
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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