The aFe 49-42059-B cat-back uses 3-inch mandrel-bent 409 stainless tubing, a high-flow 409 stainless muffler, 100% MIG-welded construction and two 5-inch black stainless rear-exit tips. Ram 1500 DT 5.7L HEMI gas and 5.7L eTorque hybrid 2019-2024, plus 2026 eTorque hybrid only, with factory dual exhaust. Factory single exhaust is explicitly excluded. No 2025 or nonhybrid 2026 approval is inferred from the continuous headline. Cab/wheelbase choices are Quad Cab 6-foot-4-inch bed/140.5 inches, Crew Cab 5-foot-7-inch bed/144.6 inches, or Crew Cab 6-foot-4-inch bed/153.5 inches. Named-trim mapping below is independently supported through 2024; no blanket named-trim extension to 2026 is made.
Ram 1500 DT 5.7L HEMI gas and 5.7L eTorque hybrid 2019-2024, plus 2026 eTorque hybrid only, with factory dual exhaust. Factory single exhaust is explicitly excluded. No 2025 or nonhybrid 2026 approval is inferred from the continuous headline. Cab/wheelbase choices are Quad Cab 6-foot-4-inch bed/140.5 inches, Crew Cab 5-foot-7-inch bed/144.6 inches, or Crew Cab 6-foot-4-inch bed/153.5 inches. Named-trim mapping below is independently supported through 2024; no blanket named-trim extension to 2026 is made. The secondary generic Longhorn 2021 name is not newly mapped as a separate identity without exact manufacturer clarification. The supported named Laramie Longhorn and Limited Longhorn scopes remain distinct. No 1500 Classic, other engine or factory single-exhaust application is inferred.
| Years | Make | Model | Submodel | Engine and configuration requirements |
|---|---|---|---|---|
| 2019-2024 | Ram | 1500 | Big Horn | Ram 1500 DT 5.7L HEMI gas and 5.7L eTorque hybrid 2019-2024, plus 2026 eTorque hybrid only, with factory dual exhaust. Factory single exhaust is explicitly excluded. No 2025 or nonhybrid 2026 approval is inferred from the continuous headline. Cab/wheelbase choices are Quad Cab 6-foot-4-inch bed/140.5 inches, Crew Cab 5-foot-7-inch bed/144.6 inches, or Crew Cab 6-foot-4-inch bed/153.5 inches. Named-trim mapping below is independently supported through 2024; no blanket named-trim extension to 2026 is made. |
| 2019-2024 | Ram | 1500 | Laramie | Ram 1500 DT 5.7L HEMI gas and 5.7L eTorque hybrid 2019-2024, plus 2026 eTorque hybrid only, with factory dual exhaust. Factory single exhaust is explicitly excluded. No 2025 or nonhybrid 2026 approval is inferred from the continuous headline. Cab/wheelbase choices are Quad Cab 6-foot-4-inch bed/140.5 inches, Crew Cab 5-foot-7-inch bed/144.6 inches, or Crew Cab 6-foot-4-inch bed/153.5 inches. Named-trim mapping below is independently supported through 2024; no blanket named-trim extension to 2026 is made. |
| 2019-2021 | Ram | 1500 | Laramie Longhorn | Ram 1500 DT 5.7L HEMI gas and 5.7L eTorque hybrid 2019-2024, plus 2026 eTorque hybrid only, with factory dual exhaust. Factory single exhaust is explicitly excluded. No 2025 or nonhybrid 2026 approval is inferred from the continuous headline. Cab/wheelbase choices are Quad Cab 6-foot-4-inch bed/140.5 inches, Crew Cab 5-foot-7-inch bed/144.6 inches, or Crew Cab 6-foot-4-inch bed/153.5 inches. Named-trim mapping below is independently supported through 2024; no blanket named-trim extension to 2026 is made. |
| 2019-2024 | Ram | 1500 | Limited | Ram 1500 DT 5.7L HEMI gas and 5.7L eTorque hybrid 2019-2024, plus 2026 eTorque hybrid only, with factory dual exhaust. Factory single exhaust is explicitly excluded. No 2025 or nonhybrid 2026 approval is inferred from the continuous headline. Cab/wheelbase choices are Quad Cab 6-foot-4-inch bed/140.5 inches, Crew Cab 5-foot-7-inch bed/144.6 inches, or Crew Cab 6-foot-4-inch bed/153.5 inches. Named-trim mapping below is independently supported through 2024; no blanket named-trim extension to 2026 is made. |
| 2021-2024 | Ram | 1500 | Limited Longhorn | Ram 1500 DT 5.7L HEMI gas and 5.7L eTorque hybrid 2019-2024, plus 2026 eTorque hybrid only, with factory dual exhaust. Factory single exhaust is explicitly excluded. No 2025 or nonhybrid 2026 approval is inferred from the continuous headline. Cab/wheelbase choices are Quad Cab 6-foot-4-inch bed/140.5 inches, Crew Cab 5-foot-7-inch bed/144.6 inches, or Crew Cab 6-foot-4-inch bed/153.5 inches. Named-trim mapping below is independently supported through 2024; no blanket named-trim extension to 2026 is made. |
| 2019-2024 | Ram | 1500 | Lone Star | Ram 1500 DT 5.7L HEMI gas and 5.7L eTorque hybrid 2019-2024, plus 2026 eTorque hybrid only, with factory dual exhaust. Factory single exhaust is explicitly excluded. No 2025 or nonhybrid 2026 approval is inferred from the continuous headline. Cab/wheelbase choices are Quad Cab 6-foot-4-inch bed/140.5 inches, Crew Cab 5-foot-7-inch bed/144.6 inches, or Crew Cab 6-foot-4-inch bed/153.5 inches. Named-trim mapping below is independently supported through 2024; no blanket named-trim extension to 2026 is made. |
| 2019-2024 | Ram | 1500 | Rebel | Ram 1500 DT 5.7L HEMI gas and 5.7L eTorque hybrid 2019-2024, plus 2026 eTorque hybrid only, with factory dual exhaust. Factory single exhaust is explicitly excluded. No 2025 or nonhybrid 2026 approval is inferred from the continuous headline. Cab/wheelbase choices are Quad Cab 6-foot-4-inch bed/140.5 inches, Crew Cab 5-foot-7-inch bed/144.6 inches, or Crew Cab 6-foot-4-inch bed/153.5 inches. Named-trim mapping below is independently supported through 2024; no blanket named-trim extension to 2026 is made. |
| 2020-2021 | Ram | 1500 | Special Service | Ram 1500 DT 5.7L HEMI gas and 5.7L eTorque hybrid 2019-2024, plus 2026 eTorque hybrid only, with factory dual exhaust. Factory single exhaust is explicitly excluded. No 2025 or nonhybrid 2026 approval is inferred from the continuous headline. Cab/wheelbase choices are Quad Cab 6-foot-4-inch bed/140.5 inches, Crew Cab 5-foot-7-inch bed/144.6 inches, or Crew Cab 6-foot-4-inch bed/153.5 inches. Named-trim mapping below is independently supported through 2024; no blanket named-trim extension to 2026 is made. |
| 2019-2024 | Ram | 1500 | Tradesman | Ram 1500 DT 5.7L HEMI gas and 5.7L eTorque hybrid 2019-2024, plus 2026 eTorque hybrid only, with factory dual exhaust. Factory single exhaust is explicitly excluded. No 2025 or nonhybrid 2026 approval is inferred from the continuous headline. Cab/wheelbase choices are Quad Cab 6-foot-4-inch bed/140.5 inches, Crew Cab 5-foot-7-inch bed/144.6 inches, or Crew Cab 6-foot-4-inch bed/153.5 inches. Named-trim mapping below is independently supported through 2024; no blanket named-trim extension to 2026 is made. |
| Detail | Value |
|---|---|
| Manufacturer Part Number | 49-42059-B |
| Product type | Catback |
| Application and cab restrictions | Ram 1500 DT 5.7L HEMI gas and 5.7L eTorque hybrid 2019-2024, plus 2026 eTorque hybrid only, with factory dual exhaust. Factory single exhaust is explicitly excluded. No 2025 or nonhybrid 2026 approval is inferred from the continuous headline. Cab/wheelbase choices are Quad Cab 6-foot-4-inch bed/140.5 inches, Crew Cab 5-foot-7-inch bed/144.6 inches, or Crew Cab 6-foot-4-inch bed/153.5 inches. Named-trim mapping below is independently supported through 2024; no blanket named-trim extension to 2026 is made. |
| Selected packing list | one front flanged pipe 05-144458, one muffler 05-144453, driver over-axle 05-144454, passenger over-axle 05-144455, driver tailpipe 05-144456, passenger tailpipe 05-144457, five 3-inch bands 05-41055 and two M10x1.5 flange nuts 03-50189. The two selected black stainless tips are 49T40501-B12 and 49T40502-B12, one each; the polished alternatives are not additional tips. The primary specifies two 5-inch black stainless outlets but does not print a selected tip alloy grade here, so no 304 grade is inferred from part-number digits. |
| Installation | Remove original exhaust up to the first flanged joint, retaining original hardware and isolation mounts. Remove the original flange gasket from the original exhaust and transfer it to the new front pipe with the two supplied nuts and original bolts. Place three 3-inch bands on the muffler and fit it onto the front pipe and original isolation mounts. Install driver and passenger over-axle pipes, then both tailpipes using the other two bands and original mounts. Fit both selected black tips, adjust alignment and tighten all connections only after the entire system is installed. The primary specifies no cutting or modifications. |
| Tightening and recheck | No numeric torque is printed in this exact seven-step guide. Maintain 1/2-to-1-inch tailpipe-to-body clearance and retighten all exhaust components after the first 50-100 miles. Do not borrow the Gemini guide's numeric band-clamp setting, valve motor or electrical procedure. |
| Dyno and sound context | The linked chart labels the exhaust run aFe Exhaust 49-42059, without a printed finish suffix or tested model year. At 4,499 RPM, 241.06 minus 218.47 gives 22.59 HP and 281.37 minus 254.98 gives 26.39 lb-ft; these contextualize the primary 22 HP/26 lb-ft claim. Separate peaks differ by 12.58 HP (314.77 minus 302.19, both at 5,680 RPM) and 1.55 lb-ft (301.52 at 5,040 versus 299.97 at 5,190 RPM). Baseline June 4, 2018, 10:28:14 AM uses SAE 1.03; exhaust June 5, 2018, 8:50:48 AM uses SAE 1.02. Both list OE intake, aftermarket 33x12.5R22LT tires, fourth gear, 2,000-RPM start, 20% load and blade fan. These are not measured eTorque, every-truck or black-finish-specific guarantees. The manufacturer describes drone reduction; no universal drone-free result is promised. |
| Named identity hold | The secondary generic Longhorn 2021 name is not newly mapped as a separate identity without exact manufacturer clarification. The supported named Laramie Longhorn and Limited Longhorn scopes remain distinct. No 1500 Classic, other engine or factory single-exhaust application is inferred. |
| Emissions statement | The manufacturer states this product does not require a CARB EO; that does not authorize catalyst removal or unrelated changes. |
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 muffler-equipped 3-inch 409 stainless MACH Force-Xp cat-back with two black 5-inch stainless tips for the supported Ram 1500 DT 5.7L factory-dual-exhaust configurations.
Which gas and hybrid years are explicitly listed?Ram 1500 DT 5.7L HEMI gas and 5.7L eTorque hybrid 2019-2024, plus 2026 eTorque hybrid only, with factory dual exhaust. Factory single exhaust is explicitly excluded. No 2025 or nonhybrid 2026 approval is inferred from the continuous headline. Cab/wheelbase choices are Quad Cab 6-foot-4-inch bed/140.5 inches, Crew Cab 5-foot-7-inch bed/144.6 inches, or Crew Cab 6-foot-4-inch bed/153.5 inches. Named-trim mapping below is independently supported through 2024; no blanket named-trim extension to 2026 is made.
What is included and which factory parts transfer?one front flanged pipe 05-144458, one muffler 05-144453, driver over-axle 05-144454, passenger over-axle 05-144455, driver tailpipe 05-144456, passenger tailpipe 05-144457, five 3-inch bands 05-41055 and two M10x1.5 flange nuts 03-50189. The two selected black stainless tips are 49T40501-B12 and 49T40502-B12, one each; the polished alternatives are not additional tips. The primary specifies two 5-inch black stainless outlets but does not print a selected tip alloy grade here, so no 304 grade is inferred from part-number digits.
What is the documented installation order?Remove original exhaust up to the first flanged joint, retaining original hardware and isolation mounts. Remove the original flange gasket from the original exhaust and transfer it to the new front pipe with the two supplied nuts and original bolts. Place three 3-inch bands on the muffler and fit it onto the front pipe and original isolation mounts. Install driver and passenger over-axle pipes, then both tailpipes using the other two bands and original mounts. Fit both selected black tips, adjust alignment and tighten all connections only after the entire system is installed. The primary specifies no cutting or modifications.
Is a numeric torque or mileage interval specified?No numeric torque is printed in this exact seven-step guide. Maintain 1/2-to-1-inch tailpipe-to-body clearance and retighten all exhaust components after the first 50-100 miles. Do not borrow the Gemini guide's numeric band-clamp setting, valve motor or electrical procedure.
Are generic Longhorn or later named trims automatically approved?The secondary generic Longhorn 2021 name is not newly mapped as a separate identity without exact manufacturer clarification. The supported named Laramie Longhorn and Limited Longhorn scopes remain distinct. No 1500 Classic, other engine or factory single-exhaust application is inferred. A 2026 physical eTorque model row does not establish every named trim.
What do the power figures and dyno peaks mean?The linked chart labels the exhaust run aFe Exhaust 49-42059, without a printed finish suffix or tested model year. At 4,499 RPM, 241.06 minus 218.47 gives 22.59 HP and 281.37 minus 254.98 gives 26.39 lb-ft; these contextualize the primary 22 HP/26 lb-ft claim. Separate peaks differ by 12.58 HP (314.77 minus 302.19, both at 5,680 RPM) and 1.55 lb-ft (301.52 at 5,040 versus 299.97 at 5,190 RPM). Baseline June 4, 2018, 10:28:14 AM uses SAE 1.03; exhaust June 5, 2018, 8:50:48 AM uses SAE 1.02. Both list OE intake, aftermarket 33x12.5R22LT tires, fourth gear, 2,000-RPM start, 20% load and blade fan. These are not measured eTorque, every-truck or black-finish-specific guarantees. The manufacturer describes drone reduction; no universal drone-free result is promised.
Does it include a remote-controlled exhaust valve?No remote, valve motor or wiring is listed for this selected MACH Force-Xp cat-back. Those components and installation steps belong to a different product.
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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