Lexus LS400 Mufflers

Your Lexus LS400 will be happy to know that the search for the right Mufflers you’ve been looking for is over! Advance Auto Parts has 1 different Mufflers for your vehicle, ready for shipping or in-store pick up. The best part is, our Lexus LS400 Mufflers start from as little as $78.99.

When it comes to your Lexus LS400, you want parts and products from only trusted brands. Here at Advance Auto Parts, we work with only top reliable Mufflers brands so you can shop with complete confidence. We’re sure you will get the right product to keep that LS400 running for a long time.

Shop online, find the best price on the right product, and have it shipped right to your door. If you prefer to shop in person for the right Mufflers for your LS400, visit one of our local Advance Auto Parts locations and you’ll be back on the road in no time!

Please Select your Vehicle to See Exact Fit Parts

Compare 25 Lexus Mufflers

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

"Walker Quiet-Flow SS Direct Fit Exhaust Muffler Assembly 2.25"" Inlet (OD) 2.25"" Outlet (ID), 55649"

from

$209.99
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. Quiet-Flow SS muffler assemblies are available for domestic and foreign vehicles.
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BRExhaust – BRExhaust Exhaust Direct-Fit Muffler Assembly, 228-113 (Part No.228-113)

BRExhaust Exhaust Direct-Fit Muffler Assembly, 228-113

from

$263.99
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.
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BRExhaust – BRExhaust Exhaust Direct-Fit Muffler Assembly, 228-241 (Part No.228-241)

BRExhaust Exhaust Direct-Fit Muffler Assembly, 228-241

from

$442.99
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.
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Walker – "Walker Quiet-Flow SS Direct Fit Exhaust Muffler Assembly 2.25"" Outlet (OD), 55329" (Part No.55329)

"Walker Quiet-Flow SS Direct Fit Exhaust Muffler Assembly 2.25"" Outlet (OD), 55329"

from

$224.99
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. Quiet-Flow SS muffler assemblies are available for domestic and foreign vehicles.
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Walker – "Walker SoundFX Direct Fit Exhaust Muffler 2"" Outlet (OD), 18885" (Part No.18885)

"Walker SoundFX Direct Fit Exhaust Muffler 2"" Outlet (OD), 18885"

from

$137.99
Walker SoundFX direct-fit mufflers are engineered with 100% aluminized steel for longer service life compared to low-carbon steel. Featuring mechanical interior joints and spun-locked heads for durability and stability, SoundFX mufflers deliver quality appearance and favorable acoustics.
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Walker – "Walker Quiet-Flow SS Direct Fit Exhaust Muffler Assembly 2.25"" Inlet (OD) 2"" Outlet (OD), 53602" (Part No.53602)

"Walker Quiet-Flow SS Direct Fit Exhaust Muffler Assembly 2.25"" Inlet (OD) 2"" Outlet (OD), 53602"

from

$229.99
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. Quiet-Flow SS muffler assemblies are available for domestic and foreign vehicles.
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Walker – "Walker Quiet-Flow SS Direct Fit Exhaust Muffler Assembly 2.5"" Inlet (OD) 2.35"" Outlet (OD), 56177" (Part No.56177)

"Walker Quiet-Flow SS Direct Fit Exhaust Muffler Assembly 2.5"" Inlet (OD) 2.35"" Outlet (OD), 56177"

from

$259.99
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. Quiet-Flow SS muffler assemblies are available for domestic and foreign vehicles.
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Walker – "Walker Quiet-Flow SS Direct Fit Exhaust Muffler Assembly 2.5"" Inlet (OD) 2.37"" Outlet (OD), 55494" (Part No.55494)

"Walker Quiet-Flow SS Direct Fit Exhaust Muffler Assembly 2.5"" Inlet (OD) 2.37"" Outlet (OD), 55494"

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. Quiet-Flow SS muffler assemblies are available for domestic and foreign vehicles.
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MagnaFlow – MagnaFlow Redpack 3.5 in Round Glasspack Performance Exhaust Muffler, 13134 (Part No.13134)

MagnaFlow Redpack 3.5 in Round Glasspack Performance Exhaust Muffler, 13134

from

$55.99
The MagnaFlow Redpack 3.5 in Round Glasspack Performance Exhaust Muffler 13134 features the same classic deep sound and dyno-proven performance of our other glasspack mufflers with the additional flair of a stylish yet timeless red finish. 13134’s 2 in/2 in round body and reversible straight-through universal design can be integrated into your vehicle’s exhaust system however you see fit, although professional installation is recommended. Check to ensure compliance with local noise regulations. This free-flowing muffler is engineered to add a dose of hot rod fury to your ride. 13134 features durable, corrosion resistant aluminized steel construction and is produced using cutting-edge CNC precision robotic manufacturing techniques, all backed by MagnaFlow’s 90-day limited construction warranty.
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Walker – "Walker Quiet-Flow SS Direct Fit Exhaust Muffler Assembly 2.125"" Inlt ID 2.25"" Outlet OD, 47815" (Part No.47815)

"Walker Quiet-Flow SS Direct Fit Exhaust Muffler Assembly 2.125"" Inlt ID 2.25"" Outlet OD, 47815"

from

$147.99
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. Quiet-Flow SS muffler assemblies are available for domestic and foreign vehicles.
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BRExhaust – BRExhaust Direct-Fit Premium Resonator, 228-143 (Part No.228-143)

BRExhaust Direct-Fit Premium Resonator, 228-143

from

$127.99
BRExhaust direct-fit exhaust resonators are designed to install easily and help you retain the OE exhaust sound you are looking for. The resonator is engineered to optimally reduce unwanted noises and backpressure while protecting against corrosion. Aluminized steel construction ensures maximum durability.
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Walker – "Walker Quiet-Flow SS Direct Fit Exhaust Muffler Assembly 1.9"" Inlet (OD) 2"" Outlet (OD), 53371" (Part No.53371)

"Walker Quiet-Flow SS Direct Fit Exhaust Muffler Assembly 1.9"" Inlet (OD) 2"" Outlet (OD), 53371"

from

$239.99
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. Quiet-Flow SS muffler assemblies are available for domestic and foreign vehicles.
See More

Walker – "Walker Quiet-Flow Direct Fit Exhaust Muffler Assembly 2"" Inlet (OD) 2.5"" Outlet (OD), 53377" (Part No.53377)

"Walker Quiet-Flow Direct Fit Exhaust Muffler Assembly 2"" Inlet (OD) 2.5"" Outlet (OD), 53377"

from

$319.99
Combining industry-leading coverage with a direct-fit OE-style replacement, Walker Quiet-Flow muffler assemblies deliver a precision fit, superior flow and OE-style sound. Quiet-Flow muffler assemblies are available for domestic and foreign vehicles.
See More

BRExhaust – BRExhaust Exhaust Direct-Fit Muffler Assembly, 280-125 (Part No.280-125)

BRExhaust Exhaust Direct-Fit Muffler Assembly, 280-125

from

$382.99
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.
See More

BRExhaust – BRExhaust Exhaust Direct-Fit Muffler Assembly, 228-099 (Part No.228-099)

BRExhaust Exhaust Direct-Fit Muffler Assembly, 228-099

from

$281.99
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.
See More

Walker – "Walker Quiet-Flow SS Direct Fit Exhaust Muffler Assembly 2"" Inlet (ID) 2"" Outlet (ID), 55605" (Part No.55605)

"Walker Quiet-Flow SS Direct Fit Exhaust Muffler Assembly 2"" Inlet (ID) 2"" Outlet (ID), 55605"

from

$297.99
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. Quiet-Flow SS muffler assemblies are available for domestic and foreign vehicles.
See More

Walker – "Walker Quiet-Flow SS Direct Fit Exhaust Muffler Assembly 2"" Inlet (OD) 2.25"" Outlet (OD), 53728" (Part No.53728)

"Walker Quiet-Flow SS Direct Fit Exhaust Muffler Assembly 2"" Inlet (OD) 2.25"" Outlet (OD), 53728"

from

$191.99
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. Quiet-Flow SS muffler assemblies are available for domestic and foreign vehicles.
See More

Walker – "Walker Quiet-Flow Direct Fit Exhaust Muffler Assembly 2.625"" Outlet (OD), 55717" (Part No.55717)

"Walker Quiet-Flow Direct Fit Exhaust Muffler Assembly 2.625"" Outlet (OD), 55717"

from

$511.99
Combining industry-leading coverage with a direct-fit OE-style replacement, Walker Quiet-Flow muffler assemblies deliver a precision fit, superior flow and OE-style sound. Quiet-Flow muffler assemblies are available for domestic and foreign vehicles.
See More

BRExhaust – BRExhaust Exhaust Muffler Assembly, 145-921 (Part No.145-921)

BRExhaust Exhaust Muffler Assembly, 145-921

from

$285.99
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.
See More

Walker – "Walker Quiet-Flow Direct Fit Exhaust Muffler Assembly 2.25"" Inlet (ID) 2.5"" Outlet (OD), 50358" (Part No.50358)

"Walker Quiet-Flow Direct Fit Exhaust Muffler Assembly 2.25"" Inlet (ID) 2.5"" Outlet (OD), 50358"

from

$757.99
Combining industry-leading coverage with a direct-fit OE-style replacement, Walker Quiet-Flow muffler assemblies deliver a precision fit, superior flow and OE-style sound. Quiet-Flow muffler assemblies are available for domestic and foreign vehicles.
See More

Walker – "Walker Quiet-Flow Direct Fit Exhaust Muffler Assembly 2.625"" Outlet (OD), 55716" (Part No.55716)

"Walker Quiet-Flow Direct Fit Exhaust Muffler Assembly 2.625"" Outlet (OD), 55716"

from

$562.99
Combining industry-leading coverage with a direct-fit OE-style replacement, Walker Quiet-Flow muffler assemblies deliver a precision fit, superior flow and OE-style sound. Quiet-Flow muffler assemblies are available for domestic and foreign vehicles.
See More

BRExhaust – BRExhaust Direct-Fit Exhaust System Kit, 106-0327 (Part No.106-0327)

BRExhaust Direct-Fit Exhaust System Kit, 106-0327

from

$556.99
BRExhaust Direct-Fit Replacement Exhaust Kit 106-0327 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. 106-0327’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. This Direct-Fit Exhaust System Kit is designed to fit the 2006-2013 Lexus IS250 2.5L & 2006-2013 Lexus IS350 3.5L. BRExhaust Direct-Fit Replacement Exhaust Kit 106-0327 includes (1) 2in. Sleeve Clamp, (1) Donut Gasket, (1) Spring Bolt Kit and interchanges with OE parts 17430-31490, 17430-31790, 17430-31800, 17430-31A60, 17430-31A70, 17430-31A71. BRExhaust Direct-Fit Replacement Exhaust Kit 106-0327 features durable Aluminized Steel construction and is covered by a 2 year warranty.
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BRExhaust – BRExhaust Direct-Fit Exhaust System Kit, 106-0075 (Part No.106-0075)

BRExhaust Direct-Fit Exhaust System Kit, 106-0075

from

$409.99
BRExhaust Direct-Fit Replacement Exhaust Kit 106-0075 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. 106-0075’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 106-0075 includes (1) Ring Gasket, (1) Spring Bolt Kit, (1) Donut Gasket, (2) Bolts, (2) Nuts, (2) 2.25in. U-Bolt Clamps and interchanges with OE parts 17420-50220, 17430-31410, 17430-50220, 17430-50230. BRExhaust Direct-Fit Replacement Exhaust Kit 106-0075 features durable Aluminized Steel construction and is covered by a 2 year warranty.
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Walker – Walker Quiet-Flow SS Direct Fit Exhaust Muffler Assembly, 56315 (Part No.56315)

Walker Quiet-Flow SS Direct Fit Exhaust Muffler Assembly, 56315

from

$392.99
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. Quiet-Flow SS muffler assemblies are available for domestic and foreign vehicles.
See More

Walker – "Walker Quiet-Flow SS Direct Fit Exhaust Muffler Assembly 2.5"" Inlet (ID) 2.387"" Outlet (OD), 74097" (Part No.74097)

"Walker Quiet-Flow SS Direct Fit Exhaust Muffler Assembly 2.5"" Inlet (ID) 2.387"" Outlet (OD), 74097"

from

$212.99
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. Quiet-Flow SS muffler assemblies are available for domestic and foreign vehicles.
See More