The aFe 49-48068 ROCK BASHER cat-back uses 3-inch mandrel-bent 409 stainless tubing, a free-flowing muffler and a pre-axle turndown outlet. The exact current manufacturer and selected guide explicitly restrict it to four-door JL models. This selected system reuses the original ball clamp and rubber isolation mounts; it is not the related JK system with a supplied bolt-on hanger kit.
Exact current manufacturer applications list JL gas V6 3.6L for 2018β2026 and hybrid V6 3.6L for 2020β2023. Both its fitment note and selected guide explicitly require four doors. The three original Rubicon, Sport and Sport S 2018β2019 scopes describe two-door names and are removed. The complete exact Mont table supports 14 named Unlimited scopes through 2022 after applying the four-door restriction. Later 2023β2026 names are held pending exact four-door and current submodel-identity confirmation rather than mass-mapped from the model-level headline; a second exact source uses legacy Unlimited names for 2023 and does not by itself resolve that naming. Its two-door and 2.0L positive configurations are overridden by the exact manufacturerβs four-door 3.6L scope. The hybrid coverage is the stated 3.6L mild hybrid, not 2.0L 4xe approval.
| Years | Make | Model | Submodel | Application / source qualification |
|---|---|---|---|---|
| 2021 | Jeep | Wrangler | Unlimited 80th Anniversary | JL four-door V6 3.6L only. Current manufacturer: gas 2018β2026; mild hybrid 2020β2023. Named scopes verified here through 2022. |
| 2021 | Jeep | Wrangler | Unlimited Freedom | JL four-door V6 3.6L only. Current manufacturer: gas 2018β2026; mild hybrid 2020β2023. Named scopes verified here through 2022. |
| 2021-2022 | Jeep | Wrangler | Unlimited High Altitude | JL four-door V6 3.6L only. Current manufacturer: gas 2018β2026; mild hybrid 2020β2023. Named scopes verified here through 2022. |
| 2022 | Jeep | Wrangler | Unlimited High Tide | JL four-door V6 3.6L only. Current manufacturer: gas 2018β2026; mild hybrid 2020β2023. Named scopes verified here through 2022. |
| 2021 | Jeep | Wrangler | Unlimited Islander | JL four-door V6 3.6L only. Current manufacturer: gas 2018β2026; mild hybrid 2020β2023. Named scopes verified here through 2022. |
| 2018-2019 | Jeep | Wrangler | Unlimited Moab | JL four-door V6 3.6L only. Current manufacturer: gas 2018β2026; mild hybrid 2020β2023. Named scopes verified here through 2022. |
| 2018-2022 | Jeep | Wrangler | Unlimited Rubicon | JL four-door V6 3.6L only. Current manufacturer: gas 2018β2026; mild hybrid 2020β2023. Named scopes verified here through 2022. |
| 2018-2022 | Jeep | Wrangler | Unlimited Sahara | JL four-door V6 3.6L only. Current manufacturer: gas 2018β2026; mild hybrid 2020β2023. Named scopes verified here through 2022. |
| 2021-2022 | Jeep | Wrangler | Unlimited Sahara Altitude | JL four-door V6 3.6L only. Current manufacturer: gas 2018β2026; mild hybrid 2020β2023. Named scopes verified here through 2022. |
| 2018-2022 | Jeep | Wrangler | Unlimited Sport | JL four-door V6 3.6L only. Current manufacturer: gas 2018β2026; mild hybrid 2020β2023. Named scopes verified here through 2022. |
| 2021-2022 | Jeep | Wrangler | Unlimited Sport Altitude | JL four-door V6 3.6L only. Current manufacturer: gas 2018β2026; mild hybrid 2020β2023. Named scopes verified here through 2022. |
| 2018-2022 | Jeep | Wrangler | Unlimited Sport S | JL four-door V6 3.6L only. Current manufacturer: gas 2018β2026; mild hybrid 2020β2023. Named scopes verified here through 2022. |
| 2021-2022 | Jeep | Wrangler | Unlimited Willys | JL four-door V6 3.6L only. Current manufacturer: gas 2018β2026; mild hybrid 2020β2023. Named scopes verified here through 2022. |
| 2021-2022 | Jeep | Wrangler | Unlimited Willys Sport | JL four-door V6 3.6L only. Current manufacturer: gas 2018β2026; mild hybrid 2020β2023. Named scopes verified here through 2022. |
| Detail | Value |
|---|---|
| Manufacturer Part Number | 49-48068 |
| Product type | Catback |
| System | 3-inch 409 stainless ROCK BASHER cat-back; hand MIG-welded, with muffler and pre-axle turndown tailpipe. |
| Formal components | One muffler assembly 05-144395, one tailpipe 05-144396 and one 3-inch band 05-41055. |
| Retained factory parts | Transfer the original ball clamp from the factory mid-pipe/resonator to the new muffler inlet. Retain the original rubber isolation mounts. No new JK-style hanger bracket, plate or bolt kit is established as supplied. |
| Selected guide | One page, all nine steps and full component diagram; document 06-86386, March 2021. The currently visible header reads 2018β2026 while its underlying extracted text reads 2018β2022; the current visible header and exact manufacturer applications support the model-level scope. |
| Optional hanger removal | If the original muffler hanger brackets were unbolted for removal, the guide explicitly requires reinstalling the driver-side hanger bracket and isolator before final alignment/tightening at step 8. |
| Tightening / clearance | No numerical tightening torque is printed for the supplied band or retained ball clamp. Tighten front to rear after alignment; maintain 1/2β1 inch tailpipe-to-body clearance and re-tighten all clamps after 50β100 miles. |
| Power / sound | Up to 9 HP and 8 lb-ft is a manufacturer claim. The selected chart, test vehicle, modifications, RPM and conditions are not established; no measured guarantee for each gas or mild-hybrid vehicle, decibel change or drone-free result is made. |
| Emissions | Manufacturer states no CARB EO number is required; this does not approve unrelated converter changes or the complete modified vehicle. |
| UPC | 802959601617 |
aFe Power develops application-specific intake, filtration, exhaust, cooling, tuning, suspension, drivetrain, and truck-performance components supported by product testing and documented installation requirements.
It is the selected 3-inch 409 stainless ROCK BASHER cat-back for documented four-door Wrangler JL V6 3.6L applications, with a muffler, turndown tailpipe and one supplied 3-inch band.
Does it fit the original two-door Rubicon, Sport or Sport S entries?No. The exact current manufacturer and selected guide explicitly restrict the system to four-door models. Those original two-door named scopes are removed; unrelated retailer-positive two-door rows do not override the restriction.
Does mild-hybrid coverage approve a 4xe or a 2.0L engine?No. The current exact hybrid row names V6 3.6L for 2020β2023. It does not approve the 2.0L 4xe or other 2.0L applications, even where a secondary configuration list includes them.
Is the factory ball clamp replaced by a new supplied clamp?No. The guide directs removing the factory ball clamp from the original mid-pipe/resonator and transferring it to the new muffler assembly. The formal bill supplies one 3-inch band for the muffler-to-tailpipe joint.
Does this use the related JK hanger bracket and plate?No such new kit is established for this selection. It reuses the original rubber mounts and applicable brackets. If brackets were unbolted during removal, the guide explicitly requires the driver-side bracket and isolator back in place before step 8.
Why are named 2023β2026 scopes not extended from the headline?The manufacturer supplies model-level years with a four-door restriction, while later secondary names can cover multiple body styles or use legacy Unlimited names. Exact four-door configuration and current submodel identity remain to be confirmed before adding those later named scopes.
What torque, clearance and recheck interval apply?The selected guide prints no numerical band or ball-clamp torque. It calls for 1/2β1 inch tailpipe-to-body clearance, front-to-rear tightening after alignment and re-tightening all clamps after 50β100 miles.
Are 9 HP and 8 lb-ft guaranteed on a mild hybrid?No. Those are manufacturer up-to claims; no selected chart or test conditions establishing the exact vehicle configuration are available here. No gain is promised for every engine calibration, modification state or mild-hybrid vehicle.
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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