aFe 49-36037-L Takeda uses 2-inch mandrel-bent 304 stainless tubing, two high-flow mufflers and four welded 3.5-inch blue-flame outlets. Original rubber isolation mounts transfer to the two new assemblies; supplied flange nuts, screws and washers replace the removed spring-bolt connections.
Lexus RC200t 2016-2017 and RC300 2018-2023 with 2.0L turbo four-cylinder, plus RC350 2015-2023 with 3.5L V6, per current exact primary. Own February 2021 manual lists both engines, RWD/AWD and F Sport, but drivetrain must match actual engine/configuration. Base and F Sport RC300/RC350 ranges extend through 2023 on exact selected-part entries. Earlier 2016-2017 RC300 V6 and IS-family positives in retailer table are broader than exact primary and remain source holds; no new mapping is inferred for them. No RC F V8 or later-year inference.
| Years | Make | Model | Named grade; actual listed engine and original flange/mount layout required |
|---|---|---|---|
| 2016-2017 | Lexus | RC200t | Base |
| 2016-2017 | Lexus | RC200t | F Sport |
| 2018-2023 | Lexus | RC300 | Base |
| 2018-2023 | Lexus | RC300 | F Sport |
| 2015-2023 | Lexus | RC350 | Base |
| 2015-2023 | Lexus | RC350 | F Sport |
Verify 49-36037-L against the actual engine, flange, hangers and mounting locations and applicable emissions requirements before ordering.
| Detail | Value |
|---|---|
| Brand | aFe POWER |
| Manufacturer Part Number | 49-36037-L |
| System | Takeda axle-back; LEFT and RIGHT muffler assemblies |
| Tubing / welding | 2-inch mandrel-bent 304 stainless; 100% TIG |
| Outlets | FOUR 3.5-inch double-wall blue-flame 304 stainless welded tips |
| Supplied hardware | FOUR 7/16-14 flange nuts, FOUR socket-head cap screws, FOUR 1/2-inch split lock washers; screw diameter/length unprinted |
| Original parts | Transfer original rubber mounts; remove four spring bolts, then use supplied hardware |
| Torque / recheck | NO NUMERIC TORQUE supplied; 50-100 miles |
| Dyno point comparison | Annotated red/blue 198.32/177.47 hp = +20.85 hp; 248.44/222.31 lb-ft = +26.13 lb-ft; annotations at differing engine speeds |
| Dyno separate maxima | 222.58 vs 208.90 hp = +13.68 hp; 252.20 vs 232.69 lb-ft = +19.51 lb-ft |
| Test scope | 2016 RC200t 2.0L; baseline May 9 2016 vs axle-back April 17 2017; SAE1.00 vs0.99; fourth-gear automatic, traction off, original intake/downpipe |
| Emissions | Current manufacturer states no CARB EO required; no upstream equipment replacement listed |
TWO selected blue-flame-tip muffler assemblies: LEFT 05-145156L and RIGHT 05-145157L, with FOUR welded 3.5-inch double-wall 304 stainless outlets total. Hardware bill lists FOUR 7/16-14 flange nuts, FOUR socket-head cap screws and FOUR 1/2-inch split lock washers. Cap-screw diameter/length/service numbers are not printed. Remove FOUR original spring bolts, transfer original rubber mounts and use supplied hardware per installation step 5. No new gasket, clamp-on loose tip, valve/controller, air filter or coupler is itemized.
aFe Power develops application-specific intake, filtration, exhaust, cooling, tuning, suspension, drivetrain, and truck-performance components supported by product testing and documented installation requirements.
TWO selected blue-flame-tip muffler assemblies: LEFT 05-145156L and RIGHT 05-145157L, with FOUR welded 3.5-inch double-wall 304 stainless outlets total. Hardware bill lists FOUR 7/16-14 flange nuts, FOUR socket-head cap screws and FOUR 1/2-inch split lock washers. Cap-screw diameter/length/service numbers are not printed. Remove FOUR original spring bolts, transfer original rubber mounts and use supplied hardware per installation step 5. No new gasket, clamp-on loose tip, valve/controller, air filter or coupler is itemized.
Which RC models, engines and F Sport trims fit?Lexus RC200t 2016-2017 and RC300 2018-2023 with 2.0L turbo four-cylinder, plus RC350 2015-2023 with 3.5L V6, per current exact primary. Own February 2021 manual lists both engines, RWD/AWD and F Sport, but drivetrain must match actual engine/configuration. Base and F Sport RC300/RC350 ranges extend through 2023 on exact selected-part entries. Earlier 2016-2017 RC300 V6 and IS-family positives in retailer table are broader than exact primary and remain source holds; no new mapping is inferred for them. No RC F V8 or later-year inference.
Are the four blue tips separate clamp-on parts?No. Own diagram shows two left/right muffler assemblies with two welded outlets each. Primary specifies four 3.5-inch double-wall 304 stainless blue-flame tips. No separate clamp-on tip package is listed.
Are the original spring bolts reused?Exact step 3 removes four original spring bolts; step 5 directs supplied nuts and bolts. Transfer original rubber mounts. Supplied bill lists four 7/16-14 flange nuts, four cap screws and four 1/2-inch split washers. Screw dimensions are unprinted.
Is a valve motor or controller included?No valve/controller is listed in exact primary or own bill/procedure. A retailer valve claim is not supported by this exact hardware list. No valve-motor transfer or coding step is supplied.
What torque, cutting and recheck apply?No numeric torque or cutting step is supplied. Align before fully tightening, inspect for leaks and re-tighten clamps/bolts after 50-100 miles. Do not borrow another kit torque.
Are 20 hp and 26 lb-ft the changes in peak output?No. Linked chart annotations differ by 20.85 hp and 26.13 lb-ft at their displayed points. Separate run maxima differ by 13.68 hp and 19.51 lb-ft. These describe different comparisons.
Do RC200t dyno results establish identical RC350 gains?No. Actual chart is a 2016 RC200t 2.0L comparison with original intake/downpipe, fourth-gear automatic and traction off. Runs are almost eleven months apart with different weather and SAE factors. Tip finish and several test details are unprinted; no identical V6 gain or drone-free guarantee is established.
Verify aFe 49-36037-L.
Actual linked chart labels test kit 49-36037 Axle Back on 2016 RC200t, not an RC350 gain guarantee or blue-finish-specific comparison. Baseline May 9 2016 at 71.13F/29.35 in-Hg/44% humidity/SAE1.00 differs from April 17 2017 at 72.74F/29.46 in-Hg/22%/SAE0.99. Both use original intake/downpipe, fourth-gear automatic and traction off; smoothing5. Fuel, hood, load, selected tip finish and wheel configuration are unprinted. Advertised 20 hp/26 lb-ft corresponds approximately to annotated point differences, not differences of separate run maxima. No flow or measured drone chart is linked.
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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