2012 Lexus RX350 Exhaust Mufflers

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Keep Your 2012 Lexus RX350 in Top Shape with a Quality Exhaust Muffler

When it comes to maintaining or upgrading your 2012 Lexus RX350, choosing high-quality parts is crucial for ensuring your vehicle stays in top shape, whether you’re tackling a repair or enhancing performance. At Advance Auto Parts, we know how important it is to find the right Exhaust Muffler for your RX350. We currently carry a top Exhaust Muffler in stock that is built to last. Whether you’re replacing a damaged Exhaust Muffler or looking to upgrade, our selection for the 2012 Lexus RX350 ensures you’ll find exactly what you need to keep your vehicle looking and performing its best.

A Reliable Exhaust Muffler from a Trusted Brand

When it comes to trusted Exhaust Muffler brands, we’ve got you covered. Our inventory features an Exhaust Muffler from Walker, a brand you can count on. This Exhaust Muffler starts at just $201.99 and has a rating of 5 stars from over 1 customer review. After you purchase your 2012 Lexus RX350 Exhaust Muffler you can scroll below to see options other Lexus RX350 owners are loving. Even with only one Exhaust Muffler in stock, you can be confident you’re getting the best option available and designed to fit your RX350 perfectly, offering both functionality and style.

Explore Related Parts

And while you’re here, don’t forget to check out related part categories like Catalytic Converters and Exhaust Manifold and Headers to complete your upgrade or repair project. At Advance Auto Parts, we’re proud to offer the parts and expertise to keep your 2012 Lexus RX350 running smoothly and looking great.

Essential 2012 Lexus RX350 Exhaust Mufflers

Walker – Quiet-Flow SS Direct Fit Exhaust Muffler Assembly 2.25" Inlet (OD) 2.25" Outlet (ID) (Part No.55649)

Quiet-Flow SS Direct Fit Exhaust Muffler Assembly 2.25" Inlet (OD) 2.25" Outlet (ID)

from

$201.99
Combining the only broad-market stainless-steel body construction with a direct fit OE-style replacement, Walker Quiet-Flow SS muffler assemblies deliver longer life than typical aluminized mufflers and are available for domestic and foreign vehicles.

Product Features:
  • CORROSION RESISTANT STAINLESS STEEL : The only broad-market muffler body with 100% stainless-steel construction that delivers longer life versus aluminized mufflers while an internal drainage system reduces moisture collection
  • EASY TO INSTALL : Direct-fit bolt-on replacement solution with OE-style hangers, brackets and pipe routings for easy installation and doesn’t require specialized fabrication and/or welding
  • BUILT TO LAST : Internal partitions and mechanically joined tubes allow expansion and contraction during temperature changes to minimize distortion while spun-locked heads and OE-style spot welds provide stability and longer service life
  • PREMIUM ACOUSTIC CONTROL : OE-style louvered tubes lower noise levels while OE-style domed heads help reduce radiated noise for premium factory-style sound quality compared to straight perforated tubes
  • DESIGN VALIDATED : Acoustic and flow tested for quality OE-style sound you can count on
  • BUY WITH CONFIDENCE : Comes with Walker’s limited warranty and exclusive limited Safe and Sound Guarantee. Visit Walkerexhaust.com for details.
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BRExhaust – Direct-Fit Exhaust System Kit (Part No.106-0271)

Direct-Fit Exhaust System Kit

from

$361.99
BRExhaust Direct-Fit Replacement Exhaust Kit 106-0271 takes the guesswork out of replacing your exhaust system while providing a reliable and high-quality alternative to the OEM exhaust. You will find all of the gaskets and clamps needed to get the job done in the carefully packaged box. 106-0271’s precision mandrel bent pipes facilitate superior exhaust flow compared to the crush-bent pipes commonly used in competing aftermarket replacement exhaust systems. The multi-piece, bolt-on design ensures the exhaust system is easy to install yourself and fits perfectly to help get you back on the road in no time. No bending or welding is required for installation. BRExhaust Direct-Fit Replacement Exhaust Kit 106-0271 includes (1) Spring Bolt Kit, (1) Donut Gasket, (3) 2.25in. U-Bolt Clamps and interchanges with OE parts 17420-0A270, 17420-20350, 17420-28460, 17430-0A290, 17430-20100, 17430-20150. BRExhaust Direct-Fit Replacement Exhaust Kit 106-0271 features durable Aluminized Steel construction and is covered by a limited warranty.

Product Features:
  • Two year, unlimited mileage warranty
  • Bolt-on, multi-piece design for smooth and easy DIY installation around obstructions, ensuring quality fitment and function without requiring fabrication
  • All components, gaskets, clamps, and hardware required, along with installation instructions, are packaged together in a single protective box
  • Leaves all emissions equipment intact, maintaining emissions compliance
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BRExhaust – Direct-Fit Premium Muffler Assembly (Part No.286-299)

Direct-Fit Premium Muffler Assembly

from

$283.99
This BRExhaust muffler assembly is constructed by one of the leading aftermarket suppliers to provide OE-style performance and maintain a factory-like sound. The direct-fit configuration allows for easy, bolt-on installation with no modifications required. The component is designed to offer corrosion protection in addition to optimal noise reduction and low backpressure. Built from 16-gauge steel tubing and fully aluminized, these mufflers feature an OE-style direct fit configuration compatible with your import or domestic vehicle-while the interior design of the muffler box ensures quiet performance.

Product Features:
  • Based on the original OEM design for a guaranteed perfect fit
  • No welds inside the silencer
  • Easy installation
  • Aluminized steel construction for maximum durability
  • Constructed to reduce flex and withstand vehicle vibration
  • External drain hole extends muffler life by allowing moisture to escape
  • Uniform flow holes facilitate even distribution of exhaust flow through the muffler’s interior
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Walker – Quiet-Flow Ss Direct Fit Exhaust Muffler Assembly (Part No.74029)

Quiet-Flow Ss Direct Fit Exhaust Muffler Assembly

from

$186.99
The only broad-market muffler with 100% stainless-steel construction, Walker Quiet-Flow SS mufflers feature precision fit, superior flow and OE-style sound. Quiet-Flow SS mufflers are available for most domestic and import vehicles.

Product Features:
  • BUY WITH CONFIDENCE – Comes with Walker’s limited warranty and exclusive Safe & Sound Guarantee
  • BUY WITH CONFIDENCE – Comes with Walker’s limited warranty and exclusive Safe & SoundáGuarantee
See More

Walker – Quiet-Flow SS Direct Fit Exhaust Muffler Assembly 2.125" Inlet (ID) 2.25" Outlet (OD) (Part No.47815)

Quiet-Flow SS Direct Fit Exhaust Muffler Assembly 2.125" Inlet (ID) 2.25" Outlet (OD)

from

$145.99
Product Features:
  • CORROSION RESISTANT STAINLESS STEEL – The only broad-market muffler with 100% stainless-steel construction that delivers longer life versus aluminized mufflers while an internal drainage system reduces moisture collection
  • EASY TO INSTALL – Direct-fit bolt-on replacement solution with OE-style hangers, brackets and pipe routings for easy installation and doesn’t require specialized fabrication and welding
  • BUILT TO LAST – Internal partitions and mechanically joined tubes allow expansion and contraction during temperature changes to minimize distortion while spun-locked heads and OE-style spot welds provide stability and longer service life
  • PREMIUM ACOUSTIC CONTROL – OE-style louvered tubes lower noise levels while OE-style domed heads help reduce radiated noise for premium factory-style sound quality compared to straight perforated tubes
  • DESIGN VALIDATED – Acoustic and flow tested for quality OE-style sound you can count on
  • BUY WITH CONFIDENCE – Comes with Walker’s limited warranty and exclusive 90-Day Safe and Sound Guarantee. Visit Walkerexhaust.com for details.
See More

Most Popular Muffler for 2012 Lexus RX350s

Enhance your 2012 Lexus RX350 with this popular Muffler we have in stock, for $201.99.

Walker – Quiet-Flow SS Direct Fit Exhaust Muffler Assembly 2.25" Inlet (OD) 2.25" Outlet (ID) (Part No.55649)

Quiet-Flow SS Direct Fit Exhaust Muffler Assembly 2.25" Inlet (OD) 2.25" Outlet (ID)

from

$201.99
Combining the only broad-market stainless-steel body construction with a direct fit OE-style replacement, Walker Quiet-Flow SS muffler assemblies deliver longer life than typical aluminized mufflers and are available for domestic and foreign vehicles.

Product Features:
  • CORROSION RESISTANT STAINLESS STEEL : The only broad-market muffler body with 100% stainless-steel construction that delivers longer life versus aluminized mufflers while an internal drainage system reduces moisture collection
  • EASY TO INSTALL : Direct-fit bolt-on replacement solution with OE-style hangers, brackets and pipe routings for easy installation and doesn’t require specialized fabrication and/or welding
  • BUILT TO LAST : Internal partitions and mechanically joined tubes allow expansion and contraction during temperature changes to minimize distortion while spun-locked heads and OE-style spot welds provide stability and longer service life
  • PREMIUM ACOUSTIC CONTROL : OE-style louvered tubes lower noise levels while OE-style domed heads help reduce radiated noise for premium factory-style sound quality compared to straight perforated tubes
  • DESIGN VALIDATED : Acoustic and flow tested for quality OE-style sound you can count on
  • BUY WITH CONFIDENCE : Comes with Walker’s limited warranty and exclusive limited Safe and Sound Guarantee. Visit Walkerexhaust.com for details.
See More

Top-Rated Exhaust Muffler Brands For Your 2012 Lexus RX350

When it comes to finding the perfect Exhaust Muffler for your 2012 Lexus RX350, Advance Auto Parts has you covered with our Exhaust Muffler from Walker. This popular brand is known for its exceptional customer ratings and competitive prices, under $201.99. Purchasing a Exhaust Muffler from us here at Advance Auto Parts is a smart move for both you and your 2012 Lexus RX350, providing peace of mind with parts that meet or exceed OEM standards.

A Reliable Walker Exhaust Muffler For Your 2012 Lexus RX350

If you’re looking for a top-quality Exhaust Muffler for your 2012 Lexus RX350, Advance Auto Parts has exactly what you need with our Walker Exhaust Mufflers. This Exhaust Muffler has both durability and a precision fit. Coming in at only $201.99, this is the perfect Exhaust Muffler for your needs and budget. Walker Exhaust Mufflers for the 2012 Lexus RX350 come highly rated, with over 1 customer reviews. Choosing a Walker Exhaust Muffler from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Quiet-Flow SS Direct Fit Exhaust Muffler Assembly 2.25" Inlet (OD) 2.25" Outlet (ID)
from $201.99
(1)
Quiet-Flow SS Direct Fit Exhaust Muffler Assembly 2.25" Inlet (OD) 2.25" Outlet (ID)
“The old pipe and the new pipe is the same size 2 1/4″. You will need to weld or 2 clamps 2 1/4″ and adapter 2 1/4 in 2 1/4 out. And then optional but ”

FAQs for 2012 Lexus RX350 Exhaust Mufflers

What’s the price range for 2012 Lexus RX350 Exhaust Mufflers?

We currently have just one Exhaust Mufflers for the 2012 Lexus RX350 in stock: Quiet-Flow SS Direct Fit Exhaust Muffler Assembly 2.25" Inlet (OD) 2.25" Outlet (ID) and it costs $201.99.

Does Advance Auto Parts sell Exhaust Mufflers for other Lexus RX350 model years?

Yes, we carry Exhaust Mufflers for 12 model years of Lexus RX350s between 2007 and 2020. The following model years are the most popular for Exhaust Muffler purchases: 2020, 2019, 2018, 2017, 2016, 2015, 2014, 2013, and 2011.

Does Advance Auto Parts sell Exhaust Mufflers for any other 2012 Lexus models?

Yes. We stock Exhaust Mufflers for 4 other popular 2012 Lexus models. Some of the most popular are 2012 ES350 Exhaust Mufflers, 2012 GX460 Exhaust Mufflers, 2012 IS250 Exhaust Mufflers, 2012 LS460 Exhaust Mufflers, and 2012 IS350 Exhaust Mufflers.

What are the top-rated Exhaust Mufflers that fit the 2012 Lexus RX350?

The one 2012 Lexus RX350 Exhaust Muffler we have in stock is the Quiet-Flow SS Direct Fit Exhaust Muffler Assembly 2.25" Inlet (OD) 2.25" Outlet (ID). It is rated 5 stars and costs $201.99.

What types of Exhaust Mufflers do you sell for my 2012 Lexus RX350?

We currently have just 1 Exhaust Muffler in stock for a 2012 Lexus RX350, and as of 3/1/26, it is a Muffler.

Can I get help with 2012 Lexus RX350 Exhaust Muffler orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Lexus Exhaust Mufflers and more.

What is your return policy for Lexus RX350 Exhaust Mufflers?

Advance Auto Parts keeps returns simple. For new Lexus RX350 Exhaust Mufflers and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.