Best 2 1/2 Inch Exhaust Muffler in 2025
Updated on August 2025
#1
Recommended
8% Off
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- Durable 409S stainless steel construction
- Balanced external sound profile
- Straight-through design for optimal flow
- Flowmaster craftsmanship
- Includes two units in package
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- Durable 409S stainless steel construction
- Balanced external sound profile
- Straight-through design for optimal flow
- Flowmaster craftsmanship
- Includes two units in package
#2
Value for Money
10% Off
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- 2.5-inch inlet/outlet with a 22-inch overall length; straight-through design and stainless steel construction.
- 100% welded design ensures durability; professional installation is recommended due to welding requirements.
- Mirror-polished finish provides lifelong protection with a straight-through exhaust tip design.
- Fiberglass technology minimizes undesirable interior resonance for a quieter drive.
- 12-month warranty included for added assurance.
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- 2.5-inch inlet/outlet with a 22-inch overall length; straight-through design and stainless steel construction.
- 100% welded design ensures durability; professional installation is recommended due to welding requirements.
- Mirror-polished finish provides lifelong protection with a straight-through exhaust tip design.
- Fiberglass technology minimizes undesirable interior resonance for a quieter drive.
- 12-month warranty included for added assurance.
#3
7% Off
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- 2.5-inch inlet and outlet with a length of 22 inches; features a straight-through design for optimal exhaust flow.
- Constructed with 100% welded design for enhanced durability; easy direct weld installation.
- Backed by a 12-month warranty for product reliability.
- Made with quality materials to enhance vehicle stability and extend service life while minimizing moisture accumulation and exhaust noise.
- Includes a 12-month warranty for the exhaust muffler.
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- 2.5-inch inlet and outlet with a length of 22 inches; features a straight-through design for optimal exhaust flow.
- Constructed with 100% welded design for enhanced durability; easy direct weld installation.
- Backed by a 12-month warranty for product reliability.
- Made with quality materials to enhance vehicle stability and extend service life while minimizing moisture accumulation and exhaust noise.
- Includes a 12-month warranty for the exhaust muffler.
#4
5% Off
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- Compatible with most vehicles; installation requires clamps or welding. Measure exhaust pipe size before purchase to ensure fit.
- Durable aluminized steel construction with an internal drainage system to prevent corrosion. Minimizes deformation from temperature changes.
- Aerodynamic design reduces unwanted resonance and lowers radiated noise for a quieter ride.
- Features a high-quality internal partition wall that enhances temperature resistance and stability through a factory-style welded structure.
- Muffler specifications: 2.5" inlet and outlet, 13" body length, 17" overall length, 4" height, and 10" width.
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- Compatible with most vehicles; installation requires clamps or welding. Measure exhaust pipe size before purchase to ensure fit.
- Durable aluminized steel construction with an internal drainage system to prevent corrosion. Minimizes deformation from temperature changes.
- Aerodynamic design reduces unwanted resonance and lowers radiated noise for a quieter ride.
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#5
5% Off
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- Muffler dimensions: 2.5'' inlet/outlet, 14'' body length, 20'' overall length, 4'' body height, 9'' body width, ID or OD: ID
- Constructed from 100% welded stainless steel, providing high corrosion resistance and maintained strength at elevated temperatures for extended durability
- Straight-through design enhances exhaust flow, produces deep sounds, and balances performance across cylinder banks
- High-quality materials enhance stability and longevity, while minimizing moisture accumulation and exhaust noise
- Manufactured to strict quality standards, with 24-hour customer support for any inquiries regarding the 2.5 inlet muffler.
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- Muffler dimensions: 2.5'' inlet/outlet, 14'' body length, 20'' overall length, 4'' body height, 9'' body width, ID or OD: ID
- Constructed from 100% welded stainless steel, providing high corrosion resistance and maintained strength at elevated temperatures for extended durability
- Straight-through design enhances exhaust flow, produces deep sounds, and balances performance across cylinder banks
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#6
26% Off
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- Universal fit; confirm compatibility by checking product dimensions
- Verify vehicle compatibility by reviewing the 'Amazon Confirmed Fit' information; enter vehicle details for accuracy
- Durable aluminized-steel construction resists corrosion
- Spot welded bushings ensure stability and support for the system
- Spun-locked heads prevent rupture
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- Universal fit; confirm compatibility by checking product dimensions
- Verify vehicle compatibility by reviewing the 'Amazon Confirmed Fit' information; enter vehicle details for accuracy
- Durable aluminized-steel construction resists corrosion
- Spot welded bushings ensure stability and support for the system
- Spun-locked heads prevent rupture
#7
Free Shipping
- COMPATIBILITY – Universal fit, check product dimensions
- GET THE RIGHT PART -- Before purchasing, research to ensure that the part will fit your vehicle; enter all vehicle information (year, make, model, engine and trim) for compatibility and check qualifier notes
- Durable aluminized-steel construction inhibits corrosion
- Spot welded bushings provide stability and system support
- Spun-locked heads inhibit rupture
- Tri-flow design provides installers and DIY customers with classic acoustics
- Universal mufflers may require modifications to complete installation
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- COMPATIBILITY – Universal fit, check product dimensions
- GET THE RIGHT PART -- Before purchasing, research to ensure that the part will fit your vehicle; enter all vehicle information (year, make, model, engine and trim) for compatibility and check qualifier notes
- Durable aluminized-steel construction inhibits corrosion
- Spot welded bushings provide stability and system support
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#8
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- 2.5-inch inlet and outlet, 11.5-inch overall length for performance tuning.
- Straight-through design for a deep tone; effectively reduces engine noise.
- Durable stainless steel construction ensures long-lasting protection.
- Polished surface finish for aesthetic appeal.
- Welding required; professional installation recommended.
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- 2.5-inch inlet and outlet, 11.5-inch overall length for performance tuning.
- Straight-through design for a deep tone; effectively reduces engine noise.
- Durable stainless steel construction ensures long-lasting protection.
- Polished surface finish for aesthetic appeal.
- Welding required; professional installation recommended.
#9
5% Off
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- Size: joins 2.5" OD pipe to 2.5" ID pipe, width of strap: 3inch/76.2mm.
- Application: Lap joint clamp is a simple, effective way to connect exhaust system components such as pipes, mufflers, catalytic converters etc.
- Advantage: No welding design, easy to install or remove.
- Material: 304 stainless steel band, zinc-plated M10 bolt and nut, steel gasket, aluminum alloy I-block.
- Feature: The band clamps make the force of 360 evenly distributed, provides a seal and prevents material deformation.Torque: 63 Nm.
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- Size: joins 2.5" OD pipe to 2.5" ID pipe, width of strap: 3inch/76.2mm.
- Application: Lap joint clamp is a simple, effective way to connect exhaust system components such as pipes, mufflers, catalytic converters etc.
- Advantage: No welding design, easy to install or remove.
- Material: 304 stainless steel band, zinc-plated M10 bolt and nut, steel gasket, aluminum alloy I-block.
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#10
7% Off
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- Muffler dimensions of 2.5" inlet and outlet, with a body length of 14" and overall length of 20"; weighs 6.6 lbs.
- Constructed from stainless steel with 100% welded design for enhanced corrosion resistance and durability, maintaining strength at high temperatures.
- Features a straight-through design for improved exhaust velocity and deep muffler sound, optimized with a turbo muffler for better cylinder bank balance.
- High-quality materials ensure stability and longevity, reducing moisture buildup and muffler noise.
- Designed to absorb sound waves for a smooth and deep tone, with 24-hour customer support available.
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- Muffler dimensions of 2.5" inlet and outlet, with a body length of 14" and overall length of 20"; weighs 6.6 lbs.
- Constructed from stainless steel with 100% welded design for enhanced corrosion resistance and durability, maintaining strength at high temperatures.
- Features a straight-through design for improved exhaust velocity and deep muffler sound, optimized with a turbo muffler for better cylinder bank balance.
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