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The aFe 49-46102-B cat-back uses 2.5-inch branches into 3-inch mandrel-bent 409 stainless tubing with a free-flowing stainless muffler and one black 304 stainless tip. The exact current manufacturer application identifies 2004-2015 Titan gas V8-5.6L, subject to the listed cab, bed and wheelbase limits.
Only the listed 139.8-inch wheelbase configurations are established: extended cab with 6.6-foot bed and crew cab with 5.6-foot bed. The primary calls the extended-cab bed long, while the guide calls that same 6.6-foot bed standard; match the actual dimensions and wheelbase rather than the bed-name wording. No longer-wheelbase configuration is inferred. All seven original named groups and year bounds match the full exact-part table and remain unchanged. No other Nissan model, engine or generation is inferred.
| Years | Make | Model | Submodel |
|---|---|---|---|
| 2004-2010 | Nissan | Titan | LE |
| 2008-2015 | Nissan | Titan | PRO-4X |
| 2011-2015 | Nissan | Titan | S |
| 2004-2010 | Nissan | Titan | SE |
| 2011-2015 | Nissan | Titan | SL |
| 2011-2015 | Nissan | Titan | SV |
| 2004-2010 | Nissan | Titan | XE |
| Detail | Value |
|---|---|
| Manufacturer Part Number | 49-46102-B |
| Product type | Catback |
| Main construction | 2.5-inch branches into 3-inch 409 stainless with a free-flowing stainless muffler. No unprinted welding process is promised. |
| Tip | One black 304 stainless 49T30451-B12. Outlet dimensions are not established by decoding the part number. |
| Cab, bed and wheelbase | Only the listed 139.8-inch wheelbase configurations are established: extended cab with 6.6-foot bed and crew cab with 5.6-foot bed. The primary calls the extended-cab bed long, while the guide calls that same 6.6-foot bed standard; match the actual dimensions and wheelbase rather than the bed-name wording. No longer-wheelbase configuration is inferred. |
| Original brackets | Remove original isolation-mount brackets from the frame for removal, then restore them to their original positions. Retain original rubber isolation mounts and flange bolts. |
| Front seals | The selected guide retains original converter-flange bolts but prints no front-gasket reuse/replacement instruction and lists no new gaskets. Confirm the correct sealing service for the actual vehicle before disassembly; no new-gasket or gasket-reuse promise is inferred. |
| Tightening and clearance | Leave bands loose until the complete system is aligned, then tighten front to rear. No numeric torque is printed. Maintain the guide's tailpipe-to-body spacing of at least 1/2 to 1 inch and retighten all exhaust components after 50-100 miles. |
| Power and flow | The exact black primary conflicts internally: its headline and overview state +8 hp/+12 lb-ft, while Details states +9 hp/+14 lb-ft. Both describe 150% greater flow, without a selected linked chart establishing test conditions. The power discrepancy remains unresolved; neither power figure is adopted as a verified result. |
| Replacement-tip guidance | The black guide repeats B12 part numbers in its polished replacement-tip row. That replacement-label conflict needs manufacturer confirmation before buying a replacement; it does not establish that a B12 tip is polished. The selected main black-tip listing remains clear. |
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 muffler-equipped 409 stainless cat-back with a black 304 stainless tip for the listed early Titan 5.6L cab/bed configurations.
Which cab and bed configurations are established?Only the listed 139.8-inch wheelbase configurations are established: extended cab with 6.6-foot bed and crew cab with 5.6-foot bed. The primary calls the extended-cab bed long, while the guide calls that same 6.6-foot bed standard; match the actual dimensions and wheelbase rather than the bed-name wording. No longer-wheelbase configuration is inferred.
What is supplied?two mid-pipes 05-44654 and 05-44653, one muffler 05-44657, one over-axle/tailpipe 05-44658, two 2.5-inch bands 05-41061, one 3-inch band 05-41055 and one selected black 304 stainless tip 49T30451-B12. Alternative finish and replacement-tip illustrations do not add extra tips to this kit.
Which original mounting parts must be restored?Retain original rubber isolation mounts and flange bolts. The selected guide removes the isolation-mount brackets from the frame during removal and explicitly restores them to their original positions during installation.
Are front-flange gaskets supplied?The selected guide retains original converter-flange bolts but prints no front-gasket reuse/replacement instruction and lists no new gaskets. Confirm the correct sealing service for the actual vehicle before disassembly; no new-gasket or gasket-reuse promise is inferred.
What torque, clearance and mileage check apply?The selected guide gives no numeric torque. Keep all bands loose until aligned and tighten front to rear. Maintain its tailpipe/body clearance of at least 1/2 to 1 inch and retighten all exhaust components after 50-100 miles.
Are the published gains verified for every Titan?The exact black primary conflicts internally: its headline and overview state +8 hp/+12 lb-ft, while Details states +9 hp/+14 lb-ft. Both describe 150% greater flow, without a selected linked chart establishing test conditions. The power discrepancy remains unresolved; neither power figure is adopted as a verified result.
Do the replacement-tip illustrations add included parts?The black guide repeats B12 part numbers in its polished replacement-tip row. That replacement-label conflict needs manufacturer confirmation before buying a replacement; it does not establish that a B12 tip is polished. The selected main black-tip listing remains clear.
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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