Infiniti G37 Mufflers

Your Infiniti G37 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 Infiniti G37 Mufflers start from as little as $614.99.

When it comes to your Infiniti G37, 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 G37 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 G37, 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 Infiniti Mufflers

Walker – "Walker SoundFX Direct Fit Exhaust Muffler 2"" Outlet (OD), 18886" (Part No.18886)

"Walker SoundFX Direct Fit Exhaust Muffler 2"" Outlet (OD), 18886"

from

$148.99
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 SoundFX Direct Fit Exhaust Muffler 2"" Outlet (OD), 18567" (Part No.18567)

"Walker SoundFX Direct Fit Exhaust Muffler 2"" Outlet (OD), 18567"

from

$109.99
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) 2.5"" Outlet (OD), 56189" (Part No.56189)

"Walker Quiet-Flow SS Direct Fit Exhaust Muffler Assembly 2.25"" Inlet (OD) 2.5"" Outlet (OD), 56189"

from

$219.99
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 1.75"" Inlet (ID), 18963" (Part No.18963)

"Walker SoundFX Direct Fit Exhaust Muffler 1.75"" Inlet (ID), 18963"

from

$149.99
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 2.1"" Inlet (OD) 2.25"" Outlet (OD), 54378" (Part No.54378)

"Walker Quiet-Flow SS Direct Fit Exhaust Muffler Assembly 2.1"" Inlet (OD) 2.25"" Outlet (OD), 54378"

from

$138.99
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 2.25"" Outlet (OD), 18962" (Part No.18962)

"Walker SoundFX Direct Fit Exhaust Muffler 2.25"" Outlet (OD), 18962"

from

$98.99
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"" Inlet (OD) 2"" Outlet (OD), 54295" (Part No.54295)

"Walker Quiet-Flow SS Direct Fit Exhaust Muffler Assembly 2"" Inlet (OD) 2"" Outlet (OD), 54295"

from

$225.99
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 1.75"" Inlet (ID) 2.1"" Outlet (OD), 54377" (Part No.54377)

"Walker Quiet-Flow SS Direct Fit Exhaust Muffler Assembly 1.75"" Inlet (ID) 2.1"" Outlet (OD), 54377"

from

$185.99
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"" Inlet (OD) 2.5"" Outlet (OD), 56249" (Part No.56249)

"Walker Quiet-Flow SS Direct Fit Exhaust Muffler Assembly 2"" Inlet (OD) 2.5"" Outlet (OD), 56249"

from

$169.99
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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BRExhaust – BRExhaust Exhaust Direct-Fit Muffler Assembly, 278-025 (Part No.278-025)

BRExhaust Exhaust Direct-Fit Muffler Assembly, 278-025

from

$284.99
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, 145-211 (Part No.145-211)

BRExhaust Exhaust Direct-Fit Muffler Assembly, 145-211

from

$389.99
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"" Inlet (OD) 2"" Outlet (OD), 53111" (Part No.53111)

"Walker Quiet-Flow SS Direct Fit Exhaust Muffler Assembly 2"" Inlet (OD) 2"" Outlet (OD), 53111"

from

$183.99
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 2.5"" Inlet (ID), 22254" (Part No.22254)

"Walker Quiet-Flow SS Direct Fit Exhaust Muffler 2.5"" Inlet (ID), 22254"

from

$164.99
The only broad-market muffler body with 100% stainless-steel construction for longer life, Walker Quiet-Flow SS mufflers deliver precision fit, superior flow and OE-style sound. Available for most domestic and import vehicles, Quiet-Flow SS features an internal drainage system that helps reduce moisture collection.
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BRExhaust – BRExhaust Direct-Fit Premium Resonator, 278-713 (Part No.278-713)

BRExhaust Direct-Fit Premium Resonator, 278-713

from

$192.99
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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BRExhaust – BRExhaust Exhaust Direct-Fit Muffler Assembly, 283-759 (Part No.283-759)

BRExhaust Exhaust Direct-Fit Muffler Assembly, 283-759

from

$355.99
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 Direct-Fit Premium Resonator, 278-375 (Part No.278-375)

BRExhaust Direct-Fit Premium Resonator, 278-375

from

$193.99
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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BRExhaust – BRExhaust Direct-Fit Premium Resonator Assembly, 282-747 (Part No.282-747)

BRExhaust Direct-Fit Premium Resonator Assembly, 282-747

from

$614.99
BRExhaust direct-fit exhaust resonator and pipe assemblies are designed to install easily and help you retain the OE exhaust sound you are looking for. Increase horsepower and torque with this corrosion resistant direct-fit component. Aluminized steel construction ensures maximum durability.
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Walker – "Walker Quiet-Flow Direct Fit Exhaust Muffler 2.75"" Outlet (OD), 21922" (Part No.21922)

"Walker Quiet-Flow Direct Fit Exhaust Muffler 2.75"" Outlet (OD), 21922"

from

$598.99
Designed to deliver superior flow and OE-style sound, Walker Quiet-Flow direct-fit mufflers feature OE-style hangers, brackets and pipe routings for easy installation. Available for top-selling domestic and foreign vehicles, Quiet-Flow mufflers have an internal drainage system to help reduce moisture collection.
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BRExhaust – BRExhaust Direct-Fit Exhaust Muffler Kit, 108-0030 (Part No.108-0030)

BRExhaust Direct-Fit Exhaust Muffler Kit, 108-0030

from

$586.99
BRExhaust Direct-Fit Muffler Kit 108-0030 offers unparalleled quality and durability to keep your vehicle on the road. Crafted from high-grade aluminized steel, these muffler kits are meticulously engineered to seamlessly replace the factory part while meeting or exceeding original specifications. The direct-fit design ensures a hassle-free bolt-on installation process, and to make your installation experience even smoother, all necessary components including gaskets, clamps, and other essential hardware are included. Featuring precision mandrel-bent pipes, this BRExhaust Direct-Fit Muffler Kit provides optimal exhaust flow to guarantee a complete and precise restoration of your vehicles exhaust system to factory-like performance. This Direct-Fit Rear Muffler Kit is designed to fit the 2003-2007 INFINITI G35 3.5L. BRExhaust Direct-Fit Muffler Kit 108-0030 includes (1) 2-Bolt Gasket, (2) Nuts, (2) 2.5in. U-Bolt Clamps, (2) Bolts and interchanges with OE parts 20100-AM800, 20691-AM800. BRExhaust Direct-Fit Muffler Kit 108-0030 features durable aluminized steel and is covered by a 2 year warranty.
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BRExhaust – BRExhaust Direct-Fit Exhaust Muffler Kit, 108-0035 (Part No.108-0035)

BRExhaust Direct-Fit Exhaust Muffler Kit, 108-0035

from

$552.99
BRExhaust Direct-Fit Muffler Kit 108-0035 offers unparalleled quality and durability to keep your vehicle on the road. Crafted from high-grade aluminized steel, these muffler kits are meticulously engineered to seamlessly replace the factory part while meeting or exceeding original specifications. The direct-fit design ensures a hassle-free bolt-on installation process, and to make your installation experience even smoother, all necessary components including gaskets, clamps, and other essential hardware are included. Featuring precision mandrel-bent pipes, this BRExhaust Direct-Fit Muffler Kit provides optimal exhaust flow to guarantee a complete and precise restoration of your vehicles exhaust system to factory-like performance. This Direct-Fit Rear Muffler Kit is designed to fit the 2006-2010 INFINITI M35 3.5L & 2006-2010 INFINITI M45 4.5L. BRExhaust Direct-Fit Muffler Kit 108-0035 includes (1) Ring Gasket, (2) Nuts, (2) Bolts and interchanges with OE parts 20100-EH000, 20691-30P00. BRExhaust Direct-Fit Muffler Kit 108-0035 features durable aluminized steel and is covered by a 2 year warranty.
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BRExhaust – BRExhaust Direct-Fit Exhaust Muffler Kit, 108-0036 (Part No.108-0036)

BRExhaust Direct-Fit Exhaust Muffler Kit, 108-0036

from

$552.99
BRExhaust Direct-Fit Muffler Kit 108-0036 offers unparalleled quality and durability to keep your vehicle on the road. Crafted from high-grade aluminized steel, these muffler kits are meticulously engineered to seamlessly replace the factory part while meeting or exceeding original specifications. The direct-fit design ensures a hassle-free bolt-on installation process, and to make your installation experience even smoother, all necessary components including gaskets, clamps, and other essential hardware are included. Featuring precision mandrel-bent pipes, this BRExhaust Direct-Fit Muffler Kit provides optimal exhaust flow to guarantee a complete and precise restoration of your vehicles exhaust system to factory-like performance. This Direct-Fit Rear Muffler Kit is designed to fit the 2006-2010 INFINITI M35 3.5L & 2006-2010 INFINITI M45 4.5L. BRExhaust Direct-Fit Muffler Kit 108-0036 includes (1) Ring Gasket, (2) Bolts, (2) Nuts and interchanges with OE parts 20100-EH005, 20691-30P00. BRExhaust Direct-Fit Muffler Kit 108-0036 features durable aluminized steel and is covered by a 2 year warranty.
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BRExhaust – BRExhaust Exhaust Direct-Fit Muffler Assembly, 145-793 (Part No.145-793)

BRExhaust Exhaust Direct-Fit Muffler Assembly, 145-793

from

$535.99
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, 145-279 (Part No.145-279)

BRExhaust Exhaust Direct-Fit Muffler Assembly, 145-279

from

$523.99
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, 145-277 (Part No.145-277)

BRExhaust Exhaust Direct-Fit Muffler Assembly, 145-277

from

$523.99
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