The aFe 49-46008-B cat-back uses 3-inch mandrel-bent 409 stainless tubing and a dual-inlet, center-out stainless muffler, ending in one black powder-coated bolt-on 304 stainless tip. The exact selected application and guide identify 2010-2021 Tundra gas V8-5.7L. The primary cab/bed wording needs the qualification below; no blanket approval of every 145.7-inch-wheelbase truck is inferred.
The primary lists CrewMax with 66.7-inch bed and regular cab with 97.2-inch bed, each at 145.7-inch wheelbase. It also prints an ambiguous Double CrewMax/short-bed 66.7-inch line. That wording is not silently converted to Double Cab approval: obtain exact aFe confirmation of the actual cab/bed configuration before ordering or installation. Wheelbase alone does not clear every cab/bed combination. The full exact-part named table supports adding Nightshade 2021 and the separate TRD Pro 2015-2017 scope. Existing TRD Pro 2019-2021 remains, retaining its 2018 gap; SR5 retains the 2012-2013 gap. Existing Platinum 2013-2021 is retained; the retailer's earlier 2010-2012 Platinum scope is not adopted without exact named-configuration confirmation. No existing group is removed.
| Years | Make | Model | Submodel |
|---|---|---|---|
| 2014-2021 | Toyota | Tundra | 1794 Edition |
| 2010-2013 | Toyota | Tundra | Base |
| 2010-2021 | Toyota | Tundra | Limited |
| 2021 | Toyota | Tundra | Nightshade |
| 2013-2021 | Toyota | Tundra | Platinum |
| 2014-2021 | Toyota | Tundra | SR |
| 2010-2011 | Toyota | Tundra | SR5 |
| 2014-2021 | Toyota | Tundra | SR5 |
| 2021 | Toyota | Tundra | Trail |
| 2015-2017 | Toyota | Tundra | TRD Pro |
| 2019-2021 | Toyota | Tundra | TRD Pro |
| Detail | Value |
|---|---|
| Manufacturer Part Number | 49-46008-B |
| Product type | Catback |
| Construction | 3-inch mandrel-bent 409 stainless with a dual-inlet/center-out stainless muffler. No unprinted welding process or tip outlet dimensions are inferred. |
| Selected packing list | one left mid-pipe 05-145466 and one right mid-pipe 05-44329, one dual-inlet/center-out muffler 05-44330, one one-piece over-axle/tailpipe 05-44213, three 3-inch bands 05-41055 and one selected black powder-coated 304 stainless tip 49T30451-B12. The alternative finish and replacement-tip illustrations do not add extra included tips. |
| Application limits | The primary lists CrewMax with 66.7-inch bed and regular cab with 97.2-inch bed, each at 145.7-inch wheelbase. It also prints an ambiguous Double CrewMax/short-bed 66.7-inch line. That wording is not silently converted to Double Cab approval: obtain exact aFe confirmation of the actual cab/bed configuration before ordering or installation. Wheelbase alone does not clear every cab/bed combination. |
| Front seals | Retain original converter-flange bolts and rubber isolation mounts. No new front gaskets or gasket reuse/replacement instruction are printed in the selected bill and procedure; confirm correct front sealing service before disassembly. |
| Guide qualification | The selected seven-step sheet contains no cutting, battery, sensor, ground-strap or crossmember procedure and no numeric clearance dimension. No early-system half-to-one-inch clearance or service procedure is borrowed. |
| Tightening and recheck | No numeric torque is printed. Tighten bands from front to rear after complete alignment. The guide gives no fixed clearance dimension; follow actual safe-clearance requirements and retighten all clamps and bolts after 50-100 miles. |
| Power and flow claims | The exact selected primary claims +13 hp/+31 lb-ft and 57% greater flow, tested on a 5.7L. It links no selected test chart establishing vehicle year, modifications, conditions or point/peak values. These remain manufacturer claims, not a measured every-vehicle or finish-comparison guarantee. |
| Replacement tip | The black selected guide repeats black B12 numbers in its polished replacement-tip row. Confirm an exact replacement identity with aFe before ordering; no B12-as-polished or alternative inlet interchangeability claim is inferred. |
| UPC | 802959495100 |
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 3-inch 409 stainless cat-back with one black powder-coated 304 stainless tip for the selected 2010-2021 Tundra 5.7L application.
Which wheelbase and cab limits apply?The primary lists CrewMax with 66.7-inch bed and regular cab with 97.2-inch bed, each at 145.7-inch wheelbase. It also prints an ambiguous Double CrewMax/short-bed 66.7-inch line. That wording is not silently converted to Double Cab approval: obtain exact aFe confirmation of the actual cab/bed configuration before ordering or installation. Wheelbase alone does not clear every cab/bed combination.
What parts are included?one left mid-pipe 05-145466 and one right mid-pipe 05-44329, one dual-inlet/center-out muffler 05-44330, one one-piece over-axle/tailpipe 05-44213, three 3-inch bands 05-41055 and one selected black powder-coated 304 stainless tip 49T30451-B12. The alternative finish and replacement-tip illustrations do not add extra included tips.
Which original parts are reused?Retain original converter-flange bolts and rubber isolation mounts. No new front gaskets or gasket reuse/replacement instruction are printed in the selected bill and procedure; confirm correct front sealing service before disassembly.
What guide or packing detail needs clarification?The selected seven-step sheet contains no cutting, battery, sensor, ground-strap or crossmember procedure and no numeric clearance dimension. No early-system half-to-one-inch clearance or service procedure is borrowed. The black selected guide repeats black B12 numbers in its polished replacement-tip row. Confirm an exact replacement identity with aFe before ordering; no B12-as-polished or alternative inlet interchangeability claim is inferred.
What tightening and mileage check apply?No numeric torque is printed. Align the complete system and tighten bands front to rear. The guide gives no fixed clearance dimension; follow actual safe-clearance requirements and retighten all clamps and bolts after 50-100 miles.
Are the power and flow figures established for every truck?The exact selected primary claims +13 hp/+31 lb-ft and 57% greater flow, tested on a 5.7L. It links no selected test chart establishing vehicle year, modifications, conditions or point/peak values. These remain manufacturer claims, not a measured every-vehicle or finish-comparison guarantee.
Do the named years cover every trim and generation?No. Match the exact named ranges, engine and approved actual cab/bed. Nightshade 2021 and separate TRD Pro 2015-2017 are supported; retain TRD Pro 2018 and SR5 2012-2013 gaps. Platinum 2010-2012 remains unadopted pending exact named-configuration proof.
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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