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F-150 ATLAS cat-back exhaust details
aFe 49-03041NM ATLAS uses 4-inch mandrel-bent ALUMINIZED STEEL main tubing with factory mounting locations and bayonet-style hangers. This NM configuration uses a muffler-delete tube and plain tailpipe exit, with no muffler or separate decorative tip.
Key Features
- 4-inch mandrel-bent ALUMINIZED STEEL main tubing.
- 145/157/163-inch wheelbase scope.
- ONE-PIECE over-axle/tailpipe 05-42636 .
- Front/rear hanger clamps plus wheelbase-dependent extension band.
- ORIGINAL factory hardware and rubber mounts reused.
- Muffler DELETE 05-42025 ; NO muffler or separate tip.
- 157-inch extension cut 6 inches OFF;163-inch extension untrimmed.
- No numeric torque;50-100 mile all-component recheck.
Fitment
2011-2014 Ford F-150 with 3.5 L twin-turbo EcoBoost and 145,157 or 163-inch wheelbase, per current exact manufacturer and own manual. Confirm actual converter interface, cab/bed and wheelbase. Exact selected named table supports FX 2,FX 4,King Ranch,Lariat,Platinum,XL,XLT 2011-2014 and Limited 2013-2014; original broad bounds stay unchanged. Other engines, short wheelbases and later years are not inferred. Indexed 2014 Tremor positive remains a source-conflict hold until its exact wheelbase/routing is proven; no existing row is deleted for headline absence.
| Years | Make | Model | Named grade; actual3.5L EcoBoost engine,145/157/163-inch wheelbase and original converter interface required |
|---|---|---|---|
| 2011-2014 | Ford | F-150 | |
| 2011-2014 | Ford | F-150 | FX2 |
| 2011-2014 | Ford | F-150 | FX4 |
| 2011-2014 | Ford | F-150 | King Ranch |
| 2011-2014 | Ford | F-150 | Lariat |
| 2013-2014 | Ford | F-150 | Limited |
| 2011-2014 | Ford | F-150 | Platinum |
| 2011-2014 | Ford | F-150 | XL |
| 2011-2014 | Ford | F-150 | XLT |
Verify 49-03041NM against the actual engine, flange, hangers and mounting locations and applicable emissions requirements before ordering.
Specifications
| Detail | Value |
|---|---|
| Brand | aFe POWER |
| Manufacturer Part Number | 49-03041NM |
| System | ATLAS 4-inch aluminized cat-back; original converter retained |
| Selected sound component | ONE 05-42025 delete tube; NO muffler |
| Tip qualification | NO separate decorative tip is selected for the NM no-muffler/no-tip configuration; generic tip shown in shared manual belongs to the tipped alternatives. |
| Rear assembly | ONE-PIECE over-axle/tailpipe 05-42636 |
| Clamps | Front hanger 05-41353 /rear hanger 05-41354 ; extension band 05-41042 per diagram |
| Wheelbase-specific cutting | Mid-pipe#2 is 05-42634 in the diagram: use it UNTRIMMED for 163-inch wheelbase; test-fit and CUT 6 INCHES OFF for 157-inch wheelbase.145-inch configuration does not use this longer-wheelbase extension. Written step 5 instead prints 05-44634 , conflicting with own diagram 05-42634 ; verify supplied tube identity before cutting. No target remaining length or additional cut is invented. |
| Original parts | Factory hardware/rubber mounts reused; provided front hardware not itemized |
| Clearance / torque | 1/2-1 inch from body panels; no numeric torque printed |
| Recheck | ALL exhaust components after 50-100 miles |
| Performance | No actual flow or dyno chart is linked for this exact selection. No numeric horsepower/torque/EGT gain, fuel-economy improvement or cabin-drone guarantee is independently established. Generic retailer 322 HP and 28 lb-ft claims are not accepted as measured gains. |
| Emissions | Current exact primary no-CARB-EO wording; no unrelated emissions-equipment deletion authorized |
What's Included
- 1 x 05-42633: Front mid-pipe#1.
- 1 if applicable x 05-42634: Longer-wheelbase mid-pipe#2; written 05-44634 conflict qualified.
- 1 x 05-42025: NM muffler-delete tube.
- 1 x 05-42636: ONE-PIECE over-axle/tailpipe.
- 1 x 05-41353: Front hanger clamp.
- 1 x 05-41354: Rear hanger clamp.
- 1 if applicable x 05-41042: Longer-wheelbase extension band.
Shared own diagram identifies mid-pipe#1 05-42633 , optional longer-wheelbase mid-pipe#2 05-42634 , ONE-PIECE over-axle/tailpipe 05-42636 , ONE front hanger clamp 05-41353 , ONE rear hanger clamp 05-41354 and ONE extension band 05-41042 . Extension/band usage depends on wheelbase. Selected NM uses ONE muffler-delete tube 05-42025 INSTEAD OF MUFFLER and has no separate decorative tip. Original factory hardware and rubber isolation mounts are reused; manual also refers to provided front-mid-pipe hardware without itemizing service sizes/counts. No separate new gasket, catalytic converter, sensor, valve, wiring, intake filter or coupler is listed. NO separate decorative tip is selected for the NM no-muffler/no-tip configuration; generic tip shown in shared manual belongs to the tipped alternatives.
About aFe Power
aFe Power develops application-specific intake, filtration, exhaust, cooling, tuning, suspension, drivetrain, and truck-performance components supported by product testing and documented installation requirements.
Related Parts
- Manufacturer product specifications for 49-03041NM
- Exact illustrated installation manual
- Shop the complete aFe Power collection
FAQ
What is the 49-03041NM?Shared own diagram identifies mid-pipe#1 05-42633 , optional longer-wheelbase mid-pipe#2 05-42634 , ONE-PIECE over-axle/tailpipe 05-42636 , ONE front hanger clamp 05-41353 , ONE rear hanger clamp 05-41354 and ONE extension band 05-41042 . Extension/band usage depends on wheelbase. Selected NM uses ONE muffler-delete tube 05-42025 INSTEAD OF MUFFLER and has no separate decorative tip. Original factory hardware and rubber isolation mounts are reused; manual also refers to provided front-mid-pipe hardware without itemizing service sizes/counts. No separate new gasket, catalytic converter, sensor, valve, wiring, intake filter or coupler is listed. NO separate decorative tip is selected for the NM no-muffler/no-tip configuration; generic tip shown in shared manual belongs to the tipped alternatives.
Which engine, wheelbases and years apply?2011-2014 Ford F-150 with 3.5 L twin-turbo EcoBoost and 145,157 or 163-inch wheelbase, per current exact manufacturer and own manual. Confirm actual converter interface, cab/bed and wheelbase. Exact selected named table supports FX 2,FX 4,King Ranch,Lariat,Platinum,XL,XLT 2011-2014 and Limited 2013-2014; original broad bounds stay unchanged. Other engines, short wheelbases and later years are not inferred. Indexed 2014 Tremor positive remains a source-conflict hold until its exact wheelbase/routing is proven; no existing row is deleted for headline absence.
What changes for 157-inch and 163-inch wheelbases?Mid-pipe#2 is 05-42634 in the diagram: use it UNTRIMMED for 163-inch wheelbase; test-fit and CUT 6 INCHES OFF for 157-inch wheelbase.145-inch configuration does not use this longer-wheelbase extension. Written step 5 instead prints 05-44634 , conflicting with own diagram 05-42634 ; verify supplied tube identity before cutting. No target remaining length or additional cut is invented.
Does this configuration have a muffler or decorative tip?NO. NM uses 05-42025 delete tube in place of muffler and no separate decorative tip. Shared historical manual illustrates tipped/muffled alternatives too; those are not bundled with NM.
Which original parts and removal direction apply?Remove original exhaust from REAR working FORWARD up to catalytic converter. Preserve and reuse original factory hardware and isolation mounts. Own manual also refers to provided front hardware but does not print its service size/count. No replacement converter or sensor is listed.
How do clamps and the rear tube install?Own diagram shows front hanger clamp 05-41353 and rear hanger clamp 05-41354 , plus 05-41042 band for applicable extension. Fit ONE-PIECE 05-42636 rear tube in original mounts, align and tighten FRONT to REAR. Do not infer two rear tube pieces from generic retailer copy.
What torque, body clearance and recheck apply?No numeric torque is printed. Keep tailpipe 1/2-1 inch from body panels per own note. Re-tighten ALL exhaust components after 50-100 miles.
Are numeric performance gains established?No actual flow or dyno chart is linked for this exact selection. No numeric horsepower/torque/EGT gain, fuel-economy improvement or cabin-drone guarantee is independently established. Generic retailer 322 HP and 28 lb-ft claims are not accepted as measured gains. Manufacturer no-EO statement does not authorize unrelated emissions modifications.
Installation Instructions
Verify aFe 49-03041NM.
- Read own February 2018 ONE-page manual, all written steps including TWO steps numbered 5, and full diagram. Confirm actual 3.5 L EcoBoost and 145/157/163-inch wheelbase. Cool exhaust, wear eye/hand protection and support vehicle/exhaust safely.
- Remove original exhaust UP TO CATALYTIC CONVERTER, from REAR of truck working FORWARD. Preserve original factory hardware and rubber isolation mounts. Keep new clamps loose until full assembly is installed and aligned.
- Lay out selected parts. Use 05-42025 muffler-delete tube in place of generic shared-manual muffler assembly; no muffler or decorative tip is supplied for NM. Slip the appropriate clamp over expanded end and install mid-pipe#1 using provided hardware; exact fixing service size/count is not printed.
- Select longer-wheelbase tube only as applicable. Mid-pipe#2 is 05-42634 in the diagram: use it UNTRIMMED for 163-inch wheelbase; test-fit and CUT 6 INCHES OFF for 157-inch wheelbase.145-inch configuration does not use this longer-wheelbase extension. Written step 5 instead prints 05-44634 , conflicting with own diagram 05-42634 ; verify supplied tube identity before cutting. No target remaining length or additional cut is invented.
- Install ONE-PIECE over-axle/tailpipe using ORIGINAL isolation mounts. Retain the selected plain tailpipe exit; do not add a decorative tip from shared tipped alternatives. Align exhaust and tighten all clamps FRONT to REAR.
- Maintain manufacturer-recommended 1/2-1 inch tailpipe clearance from body panels. No numeric clamp, front-flange, hanger-clamp or tip torque is printed. Re-tighten ALL exhaust components after 50-100 miles. No battery-disconnection, sensor relocation, valve, coding or installation-welding procedure is supplied; original converter remains.
No actual flow or dyno chart is linked for this exact selection. No numeric horsepower/torque/EGT gain, fuel-economy improvement or cabin-drone guarantee is independently established. Generic retailer 322 HP and 28 lb-ft claims are not accepted as measured gains. NO separate decorative tip is selected for the NM no-muffler/no-tip configuration; generic tip shown in shared manual belongs to the tipped alternatives. Own diagram 05-42634 versus written 05-44634 tube identity difference must be resolved against supplied hardware before cutting. Primary no-EO wording does not authorize converter or sensor deletion.
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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