Best 5 Inch Muffler For Diesel: Compare 10 Options

#1 · Best Overall

1. JY PERFORMANCE 5 Inch Muffler

• Material: Stainless Steel
• Compatible with Vehicle Type: Diesel muffler
• Inlet Connection Size: 5 in

Best for: Long-body stainless replacement.

Why it ranks #1: Diesel-compatible listing, five-inch inlet and outlet, 30-inch overall length, stainless-steel construction, and two included clamps make it a well-specified package.

A 24-inch round body in a 30-inch overall package gives the JY PERFORMANCE muffler a longer resonating section for buyers seeking a straight-through diesel replacement. Its matching 5-inch inner-diameter inlet and outlet support a same-size exhaust connection, while stainless steel and a polished finish suit a durable, visible installation.

The 5-inch inlet and outlet have no size difference, simplifying orientation in a compatible same-diameter exhaust run. A straight-through design provides a flow-focused layout, while the 24-inch body and 30-inch overall length give buyers the dimensions to plan space along the pipe. Stainless steel construction is specified as rust resistant, and the polished surface provides a finished appearance. Two clamps are included, so the package supplies clamping hardware for installation; it is still a relatively long muffler to accommodate.

Skip it if you need a short resonator; the LCGP SHR506018 measures 17.3 inches overall and has a 10.5-inch body.

Choose this JY PERFORMANCE model for a same-diameter 5-inch diesel exhaust connection, stainless construction, and a long straight-through body. Its 30-inch length and 8-inch round body call for adequate room in the exhaust run.

Listed on Amazon as: 5 Inch Inlet Diesel Muffler Exhaust with Clamp- 8" x 24" Body – 30" OAL

#2 · 304 Stainless Steel

2. Rudy's 5 Inch Diesel Muffler

• Material: Stainless Steel
• Compatible with Vehicle Type: Commercial Vehicle, Cummins Diesel, Duramax…
• Inlet Connection Size: 5 in

Best for: 304 stainless diesel-truck pick.

Why it ranks #2: Explicitly intended for diesel trucks, it lists polished 304 stainless steel, five-inch inlet and outlet, and a compact 20-inch overall length.

Polished 304 stainless steel is the defining material feature of Rudy’s 5-inch diesel muffler, offering corrosion resistance and a finished appearance for truck owners. Its 14-inch body and 20-inch overall length create a more compact package than long-body mufflers, with high-flow design and 5-inch connections shaping the use case.

The 5-inch inlet and outlet are intended for matching exhaust connections, while the 14-inch body and 20-inch overall length help buyers assess whether it fits a shorter installation space. Rudy’s specifies a high-flow design, giving flow-conscious diesel-truck owners a reason to consider the compact format. Polished 304 stainless steel is listed for corrosion resistance and durability. The compatible vehicle types include Cummins, Duramax, and Powerstroke diesel applications, as well as heavy-duty pickups and semi trucks.

Skip it if you want a 24-inch body; the LCGP SHR507030 has that body length and 30 inches overall.

This Rudy’s muffler suits diesel-truck owners who want polished 304 stainless steel, a high-flow design, and a 20-inch overall package. Its 14-inch body is the boundary for buyers seeking more body length.

Listed on Amazon as: Rudy's 5" Polished 304 Stainless Steel Muffler for Diesel Trucks

#3 · Long Body Option

3. LCGP 7×24 Inch Muffler

• Material: Stainless Steel

Best for: Seven-inch-body diesel muffler.

Why it ranks #3: This stainless-steel diesel resonator has five-inch inlet and outlet dimensions, a 24-inch body, and 30-inch overall length.

The LCGP SHR507030 pairs a 7-inch round body with a 24-inch body length, offering buyers a long straight-through muffler in a narrower body profile than an 8-inch round option. Its 5-inch inlet and outlet and 30-inch overall length define the connection and space requirements for installation.

The equal 5-inch inlet and outlet support a same-diameter exhaust connection, with no inlet-or-outlet difference to resolve during orientation. The 24-inch body and 30-inch overall length mean it needs a long stretch of exhaust-system space, while its 7-inch round width can help buyers compare clearance against larger-bodied choices. LCGP describes the straight-through design as allowing higher flow and improving exhaust velocity performance, and the stainless steel construction is specified for durability and rust resistance.

Skip it if you need a compact resonator; the LCGP SHR506018 is 17.3 inches overall with a 10.5-inch body.

Choose this LCGP muffler for a long, straight-through 5-inch exhaust section where a 7-inch round body fits the available clearance. Its 30-inch overall length makes it a poor match for short installation spaces.

Listed on Amazon as: LCGP 5" Inlet Diesel Exhaust Muffler, 5'' Inlet & Outlet, 7" x 24" Body 30" Whole Length Universal Resonator, Straight Through Design, Stainless Steel Mufflers Resonator

#4 · Eight-Inch Body

4. A-KARCK 8×24 Inch Muffler

• Compatible with Vehicle Type: Car, Truck

Best for: Rasp-reducing long-body option.

Why it ranks #4: A stainless-steel, straight-through diesel muffler with five-inch connections and 30-inch overall length; the listing also includes a clamp.

A-KARCK specifies this 30-inch muffler to dampen exhaust noise and clear up rasp, giving buyers a sound-focused choice with a straight-through layout. Its 8-inch round body and 5-inch inlet and outlet define its fit, while stainless steel construction and a stated deep, throaty tone complete the package.

The matching 5-inch inner-diameter inlet and outlet suit a compatible same-size exhaust run, and the 30-inch overall length with an 8-inch round body makes clearance planning important. A straight-through design is described as allowing the highest flow possible, while the product is also intended to dampen noise and clear rasp. Stainless steel construction supports long-term durability, and the stated resulting tone is deep and throaty. These sound and flow priorities come in a full-size package, not a short resonator.

Skip it if you have limited clearance around the pipe; the LCGP SHR506018 has a 6-inch round body.

This A-KARCK model fits buyers seeking a 5-inch straight-through muffler aimed at reducing rasp while retaining a deep tone. Its 8-inch body and 30-inch length are important boundaries for a tight exhaust installation.

Listed on Amazon as: A-KARCK 5" Inlet&Outlet Diesel Exhaust Muffler,8" x 24" Body, 30" Overall Length, Stainless Steel Resonator Muffler with Clamp, Straight Through Design(Polished)

#5 · Seven-Inch Body

5. A-KARCK 7×24 Inch Muffler

Best for: Seven-inch-body clamp package.

Why it ranks #5: Its five-inch inlet and outlet, stainless-steel construction, 24-inch body, and 30-inch overall length suit buyers seeking a narrower listed body.

A-KARCK includes a clamp with this 7-inch-body, 30-inch muffler, giving buyers a supplied attachment component alongside a straight-through design. Its 5-inch inlet and outlet suit matching exhaust connections, while the stated noise damping and rasp reduction target a deeper, clearer exhaust tone.

The equal 5-inch inner-diameter inlet and outlet suit a same-size exhaust connection, and the included clamp provides installation hardware with the muffler. At 30 inches overall with a 7-inch round body, it needs a long mounting space while offering a narrower body than an 8-inch-round alternative. A-KARCK describes the straight-through design as allowing the highest flow possible and says the muffler is intended to dampen noise and clear rasp. Stainless steel construction is specified for durability.

Skip it if you need a shorter muffler; the BLACKHORSE-RACING HM0974 is 18 inches overall and has a 10.5-inch body.

Choose this A-KARCK muffler when a 5-inch straight-through connection, included clamp, and rasp reduction suit the installation. Its 30-inch length and 7-inch round body remain clearance requirements to check against the available space.

Listed on Amazon as: A-KARCK 5" Inlet Diesel Exhaust Muffler with Clamp,7" x 24" Body, 30" Overall Length, Stainless Steel Resonator Muffler with Clamp, Straight Through Design, Universal Mufflers Resonator

#6

6. Floshine 5 Inch Muffler

• Material: Stainless Steel
• Compatible with Vehicle Type: Car
• Inlet Connection Size: 5 in

Best for: Resonance-conscious stainless fit.

Why it ranks #6: The stainless-steel straight-through design has five-inch connections and 30-inch overall length; its listing describes sound-absorbing construction and a 12-month warranty.

Four material layers and CRF technology distinguish the Floshine LY-FH508024-J12 for buyers seeking a low, deep tone with attention to interior resonance. The 5-inch inlet and outlet, 24-inch body, and 30-inch overall length establish its fit, while polished stainless steel provides a finished surface.

Floshine describes its four-layer construction and Continuous Roving Fiberglass technology as contributing to a low, deep tone. Additional factory-style sound absorption is intended to reduce unwanted interior resonance and radiated noise, giving sound-focused buyers more context than the straight-through layout alone. The 5-inch inlet and outlet suit a matching connection, while the 24-inch body and 30-inch overall length require a full-size installation space. Polished stainless steel and stated high-temperature resistance support use in a hot exhaust environment.

Skip it if you need a shorter installation; the BLACKHORSE-RACING HM0974 is 18 inches overall.

This Floshine model suits buyers prioritizing a low, deep tone and reduced unwanted interior resonance in a 5-inch exhaust system. Its 30-inch length and 8-inch round body require enough space for the complete muffler.

Listed on Amazon as: 5'' Exhaust Muffler, 5'' inlet/outlet, Universal 30'' Overall Stainless Steel Straight Through Design, Resonator Muffler

#7

7. LCGP 5×10.5 Inch Muffler

• Material: Stainless Steel

Best for: Compact straight-through resonator.

Why it ranks #7: This stainless-steel diesel resonator is the shortest listed at 17.3 inches overall, with five-inch connections and a 10.5-inch body.

At just 17.3 inches overall, the LCGP SHR506018 offers a compact 5-inch straight-through resonator for buyers with limited room in a compatible exhaust run. Its 10.5-inch body and 6-inch round width define the space needed, while stainless steel construction and a deep, throaty tone address durability and sound character.

The 5-inch inlet and outlet have no inlet-or-outlet difference, making the resonator suitable for a same-diameter connection when the surrounding system matches. Its straight-through design is stated to allow higher flow and improve exhaust velocity performance. The compact 10.5-inch body and 17.3-inch overall length help where a longer muffler will not fit, while the 6-inch round body width still needs clearance. Stainless steel is specified for durability and rust resistance.

Skip it if you want a long muffler body; the LCGP SHR507030 has a 24-inch body and 30-inch overall length.

Pick this LCGP resonator when a compact 5-inch straight-through unit suits the available exhaust space and a deep tone is wanted. Its short body is the trade-off; check the 6-inch round width against installation clearance.

Listed on Amazon as: LCGP 5" Inlet Diesel Exhaust Muffler, 5" Inlet & Outlet, 5" x 10.5" Body 17.3" Whole Length Universal Resonator, Straight Through Design, Stainless Steel Mufflers Resonator

#8

8. TBOZZ 51 Inch Muffler

• Material: Alloy Steel
• Compatible with Vehicle Type: Truck
• Inlet Connection Size: 5 in

Best for: Clamp-on long-run replacement.

Why it ranks #8: The truck-compatible listing gives five-inch inlet and outlet dimensions, a 45-inch main body, 51-inch overall length, and a one-year warranty.

A 51-inch overall length sets the TBOZZ apart for buyers who need a long 5-inch-inlet-and-outlet muffler rather than a compact resonator. Its 45-inch main body pairs with a stated 2400–2850 maximum flow rate, while aluminized steel construction and clamp-on installation define the practical trade-offs.

The 5-inch inner-diameter inlet and outlet are intended for matching exhaust connections, and the stated universal fit targets compatibility with most exhaust systems. Clamp-on installation offers a straightforward attachment method. At 51 inches overall with a 45-inch main body, it requires substantial room along the exhaust path, so measurements matter before installation. TBOZZ also specifies noise reduction and a maximum flow rate of 2400–2850; the aluminized steel construction is the material choice rather than stainless steel.

Skip it if you lack room for a 51-inch muffler; the Floshine LY-FH508024-J12 is 30 inches overall.

This suits buyers seeking a long, clamp-on muffler with 5-inch connections and a stated flow-rate range. Its 51-inch overall length is the key boundary: plan for the space before choosing it for a truck exhaust run.

Listed on Amazon as: 5 Inch Inlet and Outlet Exhaust Muffler,51" overall length. (EMM10682, 86682M)

#9

9. BLACKHORSE-RACING 18 Inch Resonator

• Material: Stainless Steel
• Compatible with Vehicle Type: Car
• Inlet Connection Size: 5 in

Best for: Compact mild-tone resonator.

Why it ranks #9: Its stainless-steel construction and five-inch connections are relevant, but the listing describes car compatibility rather than diesel-specific fitment.

The BLACKHORSE-RACING HM0974 measures 18 inches overall, making it a compact stainless option for buyers seeking noise reduction without the length of a full-size muffler. Its 10.5-inch body, 6-inch body diameter, and 5-inch inlet and outlet outline a smaller straight-through package with a mild tone.

A 5-inch inlet and outlet support a matching connection, while the 18-inch overall length and 10.5-inch body make this a shorter option for installations where a longer muffler will not fit. The stated purpose is to dampen exhaust noise while facilitating undisrupted flow, and its mild tone suits buyers who do not want the product described as especially loud. Stainless steel construction and straight-through perforated cores are also specified; the 6-inch body diameter still needs clearance.

Skip it if you want a 24-inch muffler body; the JY PERFORMANCE DAC188 has a 24-inch body and 30-inch overall length.

Choose the HM0974 when a compact 5-inch resonator, mild tone, and noise damping are priorities. Its short body is the main boundary, and the 6-inch diameter still needs adequate clearance around the exhaust.

Listed on Amazon as: Exhaust Resonator 5" Inlet 5" Outlet Muffler 18" inch Overall

#10

10. Walker Heavy Duty 22771

• Material: Alloy Steel
• Compatible with Vehicle Type: Car
• Inlet Connection Size: 5 in

Best for: Walker replacement-system buyer.

Why it ranks #10: The five-inch inlet is listed, but the product is described for car compatibility and the supplied specifications do not confirm a five-inch outlet.

Walker’s 22771 combines a 5-inch inlet and outlet with the brand’s broad replacement-exhaust range, giving buyers a familiar catalog option when researching a system repair. Its listed material is alloy steel, and its universal-fit listing makes checking the product dimensions and vehicle-specific fit notes central to choosing it.

The 5-inch inlet and outlet provide useful connection measurements, but the listing calls for checking product dimensions and the Amazon Confirmed Fit notes against the vehicle’s details. That verification step matters because a universal-fit label does not establish a match for every installation. Walker’s broader range covers replacement emissions-control and exhaust components, which may help shoppers researching related parts, though this listing remains a muffler. Alloy steel is the specified material, so buyers seeking stainless construction should weigh that difference.

Skip it if you require stainless steel construction; the Rudy's Performance Parts DP0244 specifies polished 304 stainless steel.

This Walker option suits buyers already considering Walker replacement components and who can verify the specific vehicle fit through the listed fit information. Its alloy steel material and compatibility checks are important decision points.

Listed on Amazon as: Walker Heavy Duty 22771 Direct Fit Exhaust Muffler 5" Inlet (ID) 5" Outlet (ID)