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When purchasing a product, price is the consumer's primary concern. At present, Flowmaster has 306 products for sale. Flowmaster products range in price from $58.45 to $403.78, and the average price of all the products is about $115.94.

You can confidently purchase Flowmaster products on Amazon.com. The brand holds an average rating of 4.7, testifying to its excellent reputation.

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Flowmaster Best Sellers

Last Updated: Jan 9, 2026

Car Exhaust Mufflers

Flowmaster Flow FX Chambered Muffler – 3.00” Center In / 3.00” Center Out – Round Body –Moderate Sound – Stainless Steel – Affordable Performance for Modern Trucks, Muscle Cars & Daily Drivers (71419)

Flowmaster Flow FX Chambered Muffler – 3.00” Center In / 3.00” Center Out – Round Body –Moderate Sound – Stainless Steel – Affordable Performance for Modern Trucks, Muscle Cars & Daily Drivers (71419) Cover
  • STRAIGHT-THROUGH PERFORMANCE: Flowmaster's Flow FX series mufflers deliver a moderate performance tone that's deeper than chambered mufflers without excessive cabin drone.
  • PERFORATED CORE TECHNOLOGY: Features a large diameter straight-through stainless steel perforated core with high-temp sound-absorbing materials for a deep, traditional mellow tone.
  • PROVEN PERFORMANCE: Improves horsepower and torque by enhancing exhaust flow and reducing back pressure—ideal for street enthusiasts and daily drivers.
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Performance Exhaust Mufflers

Flowmaster 40 Series Original Chambered Muffler – 2.50” Offset In / 2.50” Center Out – Aggressive Sound – 16-Gauge Aluminized Steel – For Muscle Cars, Street Rods, Trucks, SUVs & Strip Builds (42541)

Flowmaster 40 Series Original Chambered Muffler – 2.50” Offset In / 2.50” Center Out – Aggressive Sound – 16-Gauge Aluminized Steel – For Muscle Cars, Street Rods, Trucks, SUVs & Strip Builds (42541) Cover
  • LEGENDARY SOUND: This is the original Flowmaster muffler that enthusiasts know and love! Famous for its bold, aggressive bark and signature tone. It delivers the unmistakable attitude and street presence that made Flowmaster a legend.
  • TWO-CHAMBERED INTERNAL DESIGN: Flowmaster's classic two-chambered layout delivers that bold, aggressive exhaust sound Flowmaster is known for. Perfect for muscle cars, street rods, trucks, off-road rigs, and custom builds.
  • PROVEN PERFORMANCE: Enhances airflow and reduces back pressure to help boost horsepower, torque, and throttle response.
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Car Exhaust Mufflers

Flowmaster Flow FX Chambered Muffler – 2.50” Offset In / 2.50” Center Out – Moderate Sound – Stainless Steel – Affordable Performance for Modern Trucks, Muscle Cars & Daily Drivers (71226)

Flowmaster Flow FX Chambered Muffler – 2.50” Offset In / 2.50” Center Out – Moderate Sound – Stainless Steel – Affordable Performance for Modern Trucks, Muscle Cars & Daily Drivers (71226) Cover
  • STRAIGHT-THROUGH PERFORMANCE: Flowmaster's Flow FX series mufflers deliver a moderate performance tone that's deeper than chambered mufflers without excessive cabin drone.
  • PERFORATED CORE TECHNOLOGY: Features a large diameter straight-through stainless steel perforated core with high-temp sound-absorbing materials for a deep, traditional mellow tone.
  • PROVEN PERFORMANCE: Improves horsepower and torque by enhancing exhaust flow and reducing back pressure—ideal for street enthusiasts and daily drivers.
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Performance Exhaust Mufflers

Flowmaster Super 10 Series Chambered Muffler – 3.00” Center In / 3.00” Center Out – Race-Inspired Sound – 409 Stainless Steel – Ideal for Muscle Cars, LS Swaps, Drag Cars & Off-Road Build (843015)

Flowmaster Super 10 Series Chambered Muffler – 3.00” Center In / 3.00” Center Out – Race-Inspired Sound – 409 Stainless Steel – Ideal for Muscle Cars, LS Swaps, Drag Cars & Off-Road Build (843015) Cover
  • RACE-INSPIRED PERFORMANCE DESIGN: Flowmaster's loudest, most aggressive chambered muffler, built for extreme tone and raw street presence. Ideal for muscle cars, LS swaps, lifted trucks, drag cars, retro-mods, and off-road builds. Built for hardcore enthusiasts who want to be heard before they're seen. This muffler makes no apologies for being loud.
  • LEGENDARY DELTA FLOW TECHNOLOGY: Patented internal chambered muffler design increases exhaust velocity and reduces back pressure for maximum power and performance.
  • PROVEN PERFORMANCE: Enhances exhaust flow to boost horsepower, torque and increased throttle response.
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Performance Exhaust Mufflers

Flowmaster 40 Series Original Chambered Muffler – 3.00” Offset In / 3.00” Offset Out – Aggressive Sound – 16-Gauge Aluminized Steel – For Muscle Cars, Street Rods, Trucks, SUVs & Strip Builds (43043)

Flowmaster 40 Series Original Chambered Muffler – 3.00” Offset In / 3.00” Offset Out – Aggressive Sound – 16-Gauge Aluminized Steel – For Muscle Cars, Street Rods, Trucks, SUVs & Strip Builds (43043) Cover
  • LEGENDARY SOUND: This is the original Flowmaster muffler that enthusiasts know and love! Famous for its bold, aggressive bark and signature tone. It delivers the unmistakable attitude and street presence that made Flowmaster a legend.
  • TWO-CHAMBERED INTERNAL DESIGN: Flowmaster's classic two-chambered layout delivers that bold, aggressive exhaust sound Flowmaster is known for. Perfect for muscle cars, street rods, trucks, off-road rigs, and custom builds.
  • PROVEN PERFORMANCE: Enhances airflow and reduces back pressure to help boost horsepower, torque, and throttle response.
Buy on Amazon Find on eBay
Performance Exhaust Mufflers

Flowmaster 40 Series Original Chambered Muffler – 3.00” Center In / 2.50” Dual Out – Aggressive Sound – 16-Gauge Aluminized Steel – For Muscle Cars, Street Rods, Trucks, SUVs & Strip Builds (430402)

Flowmaster 40 Series Original Chambered Muffler – 3.00” Center In / 2.50” Dual Out – Aggressive Sound – 16-Gauge Aluminized Steel – For Muscle Cars, Street Rods, Trucks, SUVs & Strip Builds (430402) Cover
  • LEGENDARY SOUND: This is the original Flowmaster muffler that enthusiasts know and love! Famous for its bold, aggressive bark and signature tone. It delivers the unmistakable attitude and street presence that made Flowmaster a legend.
  • TWO-CHAMBERED INTERNAL DESIGN: Flowmaster's classic two-chambered layout delivers that bold, aggressive exhaust sound Flowmaster is known for. Perfect for muscle cars, street rods, trucks, off-road rigs, and custom builds.
  • PROVEN PERFORMANCE: Enhances airflow and reduces back pressure to help boost horsepower, torque, and throttle response.
Buy on Amazon Find on eBay
Car Exhaust Mufflers

Flowmaster Super 40 Series Chambered Muffler - 3.0” Center In/Offset Out - Aggressive Sound - Aluminized Steel - Perfect for Muscle Cars, Lifted Trucks, Street Rods, and High-Torque Builds (953047)

Flowmaster Super 40 Series Chambered Muffler - 3.0” Center In/Offset Out - Aggressive Sound - Aluminized Steel - Perfect for Muscle Cars, Lifted Trucks, Street Rods, and High-Torque Builds (953047) Cover
  • BOLD, DEEP SOUND WITH STREET REFINEMENT: Builds on the legendary 40 Series tone, delivering an even deeper, more powerful exhaust note with reduced in-cab resonance.
  • IDEAL FOR MUSCLE CARS, TRUCKS & STREET RODS: Engineered for high-torque builds that demand powerful exhaust flow and durability. Perfect for modern HEMIs, classic small-blocks, and LS-powered projects.
  • INTERIOR RESONANCE AT CRUISING SPEEDS: Delta Flow chambered design enhances scavenging and airflow for improved torque, throttle response, and acceleration, while helping minimize interior resonance at cruising speeds.
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Car Exhaust Mufflers

Flowmaster Flow FX Chambered Muffler – 2.25” Center In / 2.25” Center Out – Round Body – Moderate Sound – Stainless Steel – Affordable Performance for Modern Trucks, Muscle Cars & Daily Drivers, 71415

Flowmaster Flow FX Chambered Muffler – 2.25” Center In / 2.25” Center Out – Round Body – Moderate Sound – Stainless Steel – Affordable Performance for Modern Trucks, Muscle Cars & Daily Drivers, 71415 Cover
  • STRAIGHT-THROUGH PERFORMANCE: Flowmaster's Flow FX series mufflers deliver a moderate performance tone that's deeper than chambered mufflers without excessive cabin drone.
  • PERFORATED CORE TECHNOLOGY: Features a large diameter straight-through stainless steel perforated core with high-temp sound-absorbing materials for a deep, traditional mellow tone.
  • PROVEN PERFORMANCE: Improves horsepower and torque by enhancing exhaust flow and reducing back pressure—ideal for street enthusiasts and daily drivers.
Buy on Amazon Find on eBay
Car Exhaust Mufflers

Flowmaster 40 Series Original Chambered Muffler – 2.50” Dual In / 2.50” Dual Out – Aggressive Sound – 16-Gauge Aluminized Steel – For Muscle Cars, Street Rods, Trucks, SUVs & Strip Builds (425404)

Flowmaster 40 Series Original Chambered Muffler – 2.50” Dual In / 2.50” Dual Out – Aggressive Sound – 16-Gauge Aluminized Steel – For Muscle Cars, Street Rods, Trucks, SUVs & Strip Builds (425404) Cover
  • LEGENDARY SOUND: This is the original Flowmaster muffler that enthusiasts know and love! Famous for its bold, aggressive bark and signature tone. It delivers the unmistakable attitude and street presence that made Flowmaster a legend.
  • TWO-CHAMBERED INTERNAL DESIGN: Flowmaster's classic two-chambered layout delivers that bold, aggressive exhaust sound Flowmaster is known for. Perfect for muscle cars, street rods, trucks, off-road rigs, and custom builds.
  • PROVEN PERFORMANCE: Enhances airflow and reduces back pressure to help boost horsepower, torque, and throttle response.
Buy on Amazon Find on eBay
Car Exhaust Mufflers

Flowmaster 40 Series Original Chambered Muffler – 2.25” Offset In / 2.25” Center Out – Aggressive Sound – 16-Gauge Aluminized Steel – For Muscle Cars, Street Rods, Trucks & SUVs (42441)

Flowmaster 40 Series Original Chambered Muffler – 2.25” Offset In / 2.25” Center Out – Aggressive Sound – 16-Gauge Aluminized Steel – For Muscle Cars, Street Rods, Trucks & SUVs (42441) Cover
  • LEGENDARY SOUND: This is the original Flowmaster muffler that enthusiasts know and love! Famous for its bold, aggressive bark and signature tone. It delivers the unmistakable attitude and street presence that made Flowmaster a legend.
  • TWO-CHAMBERED INTERNAL DESIGN: Flowmaster's classic two-chambered layout delivers that bold, aggressive exhaust sound Flowmaster is known for. Perfect for muscle cars, street rods, trucks, off-road rigs, and custom builds.
  • PROVEN PERFORMANCE: Enhances airflow and reduces back pressure to help boost horsepower, torque, and throttle response.
Buy on Amazon Find on eBay
Performance Exhaust Mufflers

Flowmaster Super 44 Series Chambered Muffler – 2.25” - Offset In/Offset Out – Aggressive Sound – 16 Gauge Aluminized Steel – For Classic & Late Muscle Cars, Street Rods, Trucks, SUVs (942448)

Flowmaster Super 44 Series Chambered Muffler – 2.25” - Offset In/Offset Out – Aggressive Sound – 16 Gauge Aluminized Steel – For Classic & Late Muscle Cars, Street Rods, Trucks, SUVs (942448) Cover
  • DEEPEST, MOST AGGRESSIVE TWO-CHAMBER SOUND: Built as the next evolution of the 40 Series, the Super 44 features an additional internal chamber with both chambers sized and spaced differently. This design delivers a deeper tone, improved performance, and aggressive exterior sound level, while offering moderate interior resonance.
  • TWO-CHAMBERED INTERNAL DESIGN: Engineered with Flowmaster's Delta Flow dual-chamber technology, the Super 44's two-chamber configuration improves scavenging, enhances power and torque, boosts throttle response, and helps reduce interior resonance.
  • PROVEN PERFORMANCE: Enhances airflow and exhaust efficiency for better throttle response, acceleration, and all-around street performance across the RPM range.
Buy on Amazon Find on eBay
Performance Exhaust Mufflers

Flowmaster Super 44 Series Chambered Muffler – 3.00” - Center In/Center Out – Aggressive Sound – 16 Gauge Aluminized Steel – For Classic & Late Muscle Cars, Street Rods, Trucks, SUVs (943045)

Flowmaster Super 44 Series Chambered Muffler – 3.00” - Center In/Center Out – Aggressive Sound – 16 Gauge Aluminized Steel – For Classic & Late Muscle Cars, Street Rods, Trucks, SUVs (943045) Cover
  • DEEPEST, MOST AGGRESSIVE TWO-CHAMBER SOUND: Built as the next evolution of the 40 Series, the Super 44 features an additional internal chamber with both chambers sized and spaced differently. This design delivers a deeper tone, improved performance, and aggressive exterior sound level, while offering moderate interior resonance.
  • TWO-CHAMBERED INTERNAL DESIGN: Engineered with Flowmaster's Delta Flow dual-chamber technology, the Super 44's two-chamber configuration improves scavenging, enhances power and torque, boosts throttle response, and helps reduce interior resonance.
  • PROVEN PERFORMANCE: Enhances airflow and exhaust efficiency for better throttle response, acceleration, and all-around street performance across the RPM range.
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Car Exhaust Mufflers

NEW FLOWMASTER 40 SERIES CHAMBERED MUFFLER,OVAL,BLACK,DUAL 2.5" INLET & OUTLET,19" OVERALL LENGTH

NEW FLOWMASTER 40 SERIES CHAMBERED MUFFLER,OVAL,BLACK,DUAL 2.5" INLET & OUTLET,19" OVERALL LENGTH Cover
  • Body Height (in) 4 Body Length (in) 13 Body Width (in) 9.5 Brand Flowmaster
  • California Proposition 65 Required No Emission Code 5 Inlet Connection Type Pipe Connection Inlet Diameter (in) 2.5
  • Inlet Position Dual Material Aluminized Steel Muffler Series Original 40 Series Outlet Diameter (in) 2.5 Outlet Position Dual
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Performance Exhaust Mufflers

Flowmaster 40 Series Original Chambered Muffler – 2.25” Offset In / 2.25” Offset Out – Aggressive Sound – 16-Gauge Aluminized Steel – For Muscle Cars, Street Rods, Trucks & SUVs (42443)

Flowmaster 40 Series Original Chambered Muffler – 2.25” Offset In / 2.25” Offset Out – Aggressive Sound – 16-Gauge Aluminized Steel – For Muscle Cars, Street Rods, Trucks & SUVs (42443) Cover
  • LEGENDARY SOUND: This is the original Flowmaster muffler that enthusiasts know and love! Famous for its bold, aggressive bark and signature tone. It delivers the unmistakable attitude and street presence that made Flowmaster a legend.
  • TWO-CHAMBERED INTERNAL DESIGN: Flowmaster's classic two-chambered layout delivers that bold, aggressive exhaust sound Flowmaster is known for. Perfect for muscle cars, street rods, trucks, off-road rigs, and custom builds.
  • PROVEN PERFORMANCE: Enhances airflow and reduces back pressure to help boost horsepower, torque, and throttle response.
Buy on Amazon Find on eBay
Car Exhaust Mufflers

Flowmaster 842546 Super 44 Series Chambered Muffler

Flowmaster 842546 Super 44 Series Chambered Muffler Cover
  • Race proven Delta Flow technology
  • Deep Aggressive Sound Exhaust Note
  • Noticeable interior resonance
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Performance Exhaust Mufflers

Flowmaster 817633 Outlaw Direct Fit Muffler

Flowmaster 817633 Outlaw Direct Fit Muffler Cover
  • Direct Bolt-on for Quick & Easy Installation
  • Race Proven Outlaw Muffler Technology
  • Dyno Tuned For Maximum Performance
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Performance Exhaust Mufflers

Flowmaster Super 44 Series Chambered Muffler – 2.50” - Offset In/Center Out – Aggressive Sound – 16 Gauge Aluminized Steel - For Classic & Late Muscle Cars, Street Rods, Trucks, SUVs (942546)

Flowmaster Super 44 Series Chambered Muffler – 2.50” - Offset In/Center Out – Aggressive Sound – 16 Gauge Aluminized Steel - For Classic & Late Muscle Cars, Street Rods, Trucks, SUVs (942546) Cover
  • DEEPEST, MOST AGGRESSIVE TWO-CHAMBER SOUND: Built as the next evolution of the 40 Series, the Super 44 features an additional internal chamber with both chambers sized and spaced differently. This design delivers a deeper tone, improved performance, and aggressive exterior sound level, while offering moderate interior resonance.
  • TWO-CHAMBERED INTERNAL DESIGN: Engineered with Flowmaster's Delta Flow dual-chamber technology, the Super 44's two-chamber configuration improves scavenging, enhances power and torque, boosts throttle response, and helps reduce interior resonance.
  • PROVEN PERFORMANCE: Enhances airflow and exhaust efficiency for better throttle response, acceleration, and all-around street performance across the RPM range.
Buy on Amazon Find on eBay
Performance Exhaust Mufflers

Flowmaster Super 44 Series Chambered Muffler – 2.50” - Center In/Center Out – Aggressive Sound – 16 Gauge Aluminized Steel – For Classic & Late Muscle Cars, Street Rods, Trucks, SUVs (942545)

Flowmaster Super 44 Series Chambered Muffler – 2.50” - Center In/Center Out – Aggressive Sound – 16 Gauge Aluminized Steel – For Classic & Late Muscle Cars, Street Rods, Trucks, SUVs (942545) Cover
  • DEEPEST, MOST AGGRESSIVE TWO-CHAMBER SOUND: Built as the next evolution of the 40 Series, the Super 44 features an additional internal chamber with both chambers sized and spaced differently. This design delivers a deeper tone, improved performance, and aggressive exterior sound level, while offering moderate interior resonance.
  • TWO-CHAMBERED INTERNAL DESIGN: Engineered with Flowmaster's Delta Flow dual-chamber technology, the Super 44's two-chamber configuration improves scavenging, enhances power and torque, boosts throttle response, and helps reduce interior resonance.
  • PROVEN PERFORMANCE: Enhances airflow and exhaust efficiency for better throttle response, acceleration, and all-around street performance across the RPM range.
Buy on Amazon Find on eBay
Performance Exhaust Mufflers

Flowmaster Super 10 Series Chambered Muffler – 2.50" Center In / 2.25" Dual Out – Race-Inspired Sound – 409 Stainless Steel – Ideal for Muscle Cars, LS Swaps, Drag Cars & Off-Road Build (8425152)

Flowmaster Super 10 Series Chambered Muffler – 2.50" Center In / 2.25" Dual Out – Race-Inspired Sound – 409 Stainless Steel – Ideal for Muscle Cars, LS Swaps, Drag Cars & Off-Road Build (8425152) Cover
  • RACE-INSPIRED PERFORMANCE DESIGN: Flowmaster's loudest, most aggressive chambered muffler, built for extreme tone and raw street presence. Ideal for muscle cars, LS swaps, lifted trucks, drag cars, retro-mods, and off-road builds. Built for hardcore enthusiasts who want to be heard before they're seen. This muffler makes no apologies for being loud.
  • LEGENDARY DELTA FLOW TECHNOLOGY: Patented internal chambered muffler design increases exhaust velocity and reduces back pressure for maximum power and performance.
  • PROVEN PERFORMANCE: Enhances exhaust flow to boost horsepower, torque and increased throttle response.
Buy on Amazon Find on eBay

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