Axleback (Muffler Ver.) - Lexus IS300 / IS350 [2021+] - 1

Axleback (Muffler Ver.) - Lexus IS300 / IS350 [2021+]

REMARK SKU: RO-TSE4-DM

$685.00 USD

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PRODUCT INSTALLATION GUIDE

This REMARK axleback includes two high flow, straight through design muffler canisters.  It produces a deep sporty exhaust note. This is ideal for those wanting an exhaust note without it being overbearing, and the primary sound heard from inside the car. There is a nice balance of a deep exhaust tone and the engine sound. We consider the sound volume quite mild, and feel it sounds like something you could purchase at the dealership as an optional performance part. 

Offered in two variants which differ in tip finish:
FINISH
  • Stainless - Fully polished stainless steel to a high luster
  • Burnt- Stainless steel is treated to add a spectrum of colors ranging from gold, purple, and blue. This is achieved through a chemical process for improved consistency, and does require more care when cleaning, LINK.
Both variants are Double Wall construction - the tip has an inner and outer layer of stainless steel. In general the appearance is more luxurious as the tip appears thicker and more pronounced. From the rear, the tips appear to have more of a shine due to the added surface area on the tips edge.

Our kit is a simple bolt-on replacement for the OE mufflers. No modifications are required, does not trigger any check engine lights, and does not effect vehicle emissions. Installation is simple and straight forward. No cutting, no welding, and the factory exhaust can be reinstalled easily anytime. Full 304 Stainless Steel construction, and fully TIG welded by our expert craftsmen. Kit includes both right and left side, as well as required hardware for installation.


This product fits different models of the Lexus IS. It will sound different based off the engine size and type. In general, the IS300 sounds quieter due to the nature of a 3.0L turbocharged engine. The larger 3.5L V6 models will generally sound louder. 
NOTE for AWD owners with the 6spd transmission - customer feedback for the 6spd is that there is significant drone at low RPM, cruising speed. We unfortunately have not been able to experience the sound or capture any video for a 6spd AWD. REMARK is based in Southern California where the there vast majority are 8spd RWD. 

* Does not fit with 2014~2020 Lexus IS models.

Part number
Tip Options
RO- TSE4-DM Stainless Double Wall 
RO- TTE4-DM Burnt Stainless Double Wall 
Year/Make/Model

  • 2021+ Lexus IS300 (4 Cyl. Turbo)
  • 2021+ Lexus IS350 (V6) - louder than Turbo model
  • Fits RWD & AWD models
Exhaust Type  Axle Back Exhaust Bolt on 2pc 
Piping Diameter 2.5inch, 16 gauge, mandrel bent pipe
Tip Diameter 4inch tip design slant style tips
Piping Material  T304 stainless steel
Tip Material T304 stainless steel
Muffler Material T304 stainless steel, straight through design
Weight  Optimal weight reduction from the factory mufflers
Hardware We have designed our flanges to fit factory midpipes correctly, due to that you will be: 
*You will be using factory Donut Gaskets 
*You will be using factory Spring Bolts


- Free Shipping to Continental US (Lower 48 States) 
- REMARK Limited Warranty

** Eligible for purchases direct from www.remark-usa.com
** Excludes taxes and duties on international orders
** No Returns or Exchanges accepted 
** Read disclaimer before purchasing: Click here to read

Customer Reviews

Based on 7 reviews
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(6)
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14%
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A
AquafreshTX
OEM+

Sounds perfect for the Lexus IS 350. Not loud and overbearing but subtle and refined. Can definitely tell there’s an exhaust without it “screaming aftermarket”.

B
Bolo
Lean and Mean

Exactly what I wanted. Not obnoxious and just enough sound for my personal enjoyment. Could pass off as a manufacturer sport performance exhaust.

User picture
D
Denys Lyashko
Amazing

Great sound, easy to install, 100% recommend

m
michael

Sounds good

T
Trent Lucas
5 stars for quality.

High quality product but the drone at highway speeds and anytime around 2000 rpm is crazy loud on your is350. Removed from my car 3 days after install.

12