The aFe 49-43091-B is a MIG-welded, mandrel-bent 409 stainless muffler-equipped cat-back with dual black 3.5-inch 304 stainless tips exiting in front of the rear passenger tire. It uses dual 3-inch tubing for the selected Raptor application. Selected coverage is 2017-2020 F-150 Raptor gas 3.5L twin-turbo EcoBoost ONLY. SuperCab/short-bed 5.5-foot box with 133-inch wheelbase, or SuperCrew/short-bed 5.5-foot box with 145-inch wheelbase. The manufacturer warns that side steps may interfere; confirm actual step clearance before ordering or work.
2017-2020 F-150 Raptor gas 3.5L twin-turbo EcoBoost ONLY. SuperCab/short-bed 5.5-foot box with 133-inch wheelbase, or SuperCrew/short-bed 5.5-foot box with 145-inch wheelbase. The manufacturer warns that side steps may interfere; confirm actual step clearance before ordering or work. The full exact-part named table supplies the actual named rows below. No Raptor-R, diesel, later-generation or other-engine fit is inferred.
| Years | Make | Model | Submodel | Cab/bed and equipment limits |
|---|---|---|---|---|
| 2017-2020 | Ford | F-150 | Raptor | SuperCab/short-bed 5.5-foot box with 133-inch wheelbase, or SuperCrew/short-bed 5.5-foot box with 145-inch wheelbase. The manufacturer warns that side steps may interfere; confirm actual step clearance before ordering or work. |
| Detail | Value |
|---|---|
| Manufacturer Part Number | 49-43091-B |
| Product type | Catback |
| Construction | 3-inch mandrel-bent 409 stainless, MIG welded. |
| Selected bill | one right-front pipe subassembly 05-144300, two 15-inch extensions 05-144206, one muffler assembly 05-144274, one tailpipe subassembly 05-144275, six 3-inch bands 05-41055, one hanger bracket 05-46190, one isolation mount 05-46050, two M10 socket screws 03-50418, two M8 clip-on nuts 05-60104 and two selected black 304 stainless tips 49T30352-B09. |
| Cab and equipment scope | SuperCab/short-bed 5.5-foot box with 133-inch wheelbase, or SuperCrew/short-bed 5.5-foot box with 145-inch wheelbase. The manufacturer warns that side steps may interfere; confirm actual step clearance before ordering or work. |
| Guide clarification | The bill names two M10 screws and two M8 clip nuts, while the bracket and front-pipe steps refer to provided bolts/nuts without a complete separate allocation. Confirm actual matched hardware sizes and front-flange fastening/packing with aFe before disassembly; do not force an M10 screw into an M8 clip or invent extra hardware. |
| Configuration-dependent installation | For SuperCab/short-bed 133-inch wheelbase, omit both extensions. For SuperCrew/short-bed 145-inch wheelbase, use the two 15-inch extensions between front pipes and muffler. Support the muffler separately with a jack/stand; retain the original muffler isolation mount and fit the supplied rear isolation mount to the new bracket. |
| Tightening and recheck | No numeric torque is printed. Keep joints loose until complete alignment, tighten front to rear ending at the selected tips, maintain the guide's tailpipe-to-body spacing of at least 1/2 to 1 inch, and retighten all clamps and bolts after 50-100 miles. Brief smoke at initial startup is described by the guide. |
| Sound and performance | The primary describes an aggressive sound and muffler-delete configuration but provides no selected measured power or flow chart. No guaranteed gain or drone-free result is established. |
| Emissions statement | The manufacturer says no CARB EO is required for this product. This does not approve unrelated exhaust modifications. |
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 a MIG-welded, mandrel-bent 409 stainless muffler-equipped cat-back with dual black 3.5-inch 304 stainless tips exiting in front of the rear passenger tire. It uses dual 3-inch tubing for the selected Raptor application. Match 2017-2020 F-150 Raptor gas 3.5L twin-turbo EcoBoost ONLY.
Which cab, bed and wheelbase restrictions apply?SuperCab/short-bed 5.5-foot box with 133-inch wheelbase, or SuperCrew/short-bed 5.5-foot box with 145-inch wheelbase. The manufacturer warns that side steps may interfere; confirm actual step clearance before ordering or work.
What parts are included with the selected finish?one right-front pipe subassembly 05-144300, two 15-inch extensions 05-144206, one muffler assembly 05-144274, one tailpipe subassembly 05-144275, six 3-inch bands 05-41055, one hanger bracket 05-46190, one isolation mount 05-46050, two M10 socket screws 03-50418, two M8 clip-on nuts 05-60104 and two selected black 304 stainless tips 49T30352-B09.
Which hardware or specification detail needs confirmation?The bill names two M10 screws and two M8 clip nuts, while the bracket and front-pipe steps refer to provided bolts/nuts without a complete separate allocation. Confirm actual matched hardware sizes and front-flange fastening/packing with aFe before disassembly; do not force an M10 screw into an M8 clip or invent extra hardware.
How do extensions and original mounts apply?For SuperCab/short-bed 133-inch wheelbase, omit both extensions. For SuperCrew/short-bed 145-inch wheelbase, use the two 15-inch extensions between front pipes and muffler. Support the muffler separately with a jack/stand; retain the original muffler isolation mount and fit the supplied rear isolation mount to the new bracket.
What tightening and follow-up checks apply?No numeric torque is printed. Keep joints loose until complete alignment, tighten front to rear ending at the selected tips, maintain the guide's tailpipe-to-body spacing of at least 1/2 to 1 inch, and retighten all clamps and bolts after 50-100 miles. Brief smoke at initial startup is described by the guide.
Is cutting required?The selected primary states no cutting is required.
Are gains or drone-free operation guaranteed?The primary describes an aggressive sound and muffler-delete configuration but provides no selected measured power or flow chart. No guaranteed gain or drone-free result is established.
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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