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Mufflers - Flowmaster
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Flowmaster Overview:
Today, Flowmaster, Inc. is housed in two ultra-modern U.S. facilities together totaling over 400,000 sq. ft. Flowmaster operates the only exhaust Research & Design facility of its kind in the world. Through use of dynos, Flowmasters engineering staff can track the complete engine cycle in millionths of a second and can obtain exact technical data of each degree of cam rotation, from induction to the tip of the exhaust system, while also showing the power numbers that really matter, the power numbers to the ground. Flowmaster also utilizes Spectrum Analyzers to fine tune the sound of each of the eleven different series of mufflers that it currently offers, both for peak performance and just the right sound levels and tones.
Exhaust Subcategories
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Crossover and Y-Pipes
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Exhaust System Components
- Catalytic Converter (5,784)
- Catalytic Converter Replacement Pipe (88)
- Exhaust Flame Thrower Kit (2)
- Exhaust Insert (36)
- Exhaust Intermediate Pipe (610)
- Exhaust Pipe (3,477)
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- Exhaust Tip (1,537)
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- Front Pipe (256)
- Muffler (7,325)
- Muffler Disc Only Kit (3)
- Muffler Heat Shield (10)
- Muffler Repack Kit (7)
- Muffler Replacement Core (18)
- Muffler Replacement Disc Pack (8)
- Muffler Replacement Disc Screw Kit (4)
- Muffler Replacement End Cap (18)
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Exhaust Systems
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Header, Manifold, and Downpipe
Super 40 Muffler - 3.00 Center IN / 3.00 Center OUT - Aggressive Sound
Brand: Flowmaster
Part #: 953045
The Super 40 features Flowmaster's Delta Flow® technology. It's larger case profile provides the best of both worlds of Performance and Sound. The Super 40 has that "deep powerful" sound of the original 40 series but with all the benefits of... more
Starting At
$74.21
50 Delta Flow Muffler - 2.50 Center IN / 2.00 Dual OUT - Moderate Sound
Brand: Flowmaster
Part #: 9425502
The three chamber design utilizes Flowmaster's patented Delta Flow technology along with an internal tuning chamber to reduce sound inside the vehicle. Provides the same performance and exterior tone characteristics as the two chamber, but with... more
Starting At
$80.00
40 Delta Flow Muffler - 2.50 Center IN / 2.00 Dual OUT - Aggressive Sound
Brand: Flowmaster
Part #: 9425402
This two chamber design incorporates Flowmaster's patented Delta Flow technology. The "Delta" deflectors generate increased scavenging for better performance and reduced interior sound. Milder exterior tone and reduced interior resonance over... more
Starting At
$82.11
50 Delta Flow Muffler - 2.00 Offset IN / 2.00 Dual OUT - Moderate Sound
Brand: Flowmaster
Part #: 9420512
The three chamber design utilizes Flowmaster's patented Delta Flow technology along with an internal tuning chamber to reduce sound inside the vehicle. Provides the same performance and exterior tone characteristics as the two chamber, but with... more
Starting At
$106.23
70 Series Muffler - 3.00 Center IN / 2.50 Dual OUT - Mild Sound
Brand: Flowmaster
Part #: 530702
The 70 Series utilizes Flowmaster's patented Delta Flow® technology and an enlarged case for improved sound control along with mileage and power gains. Perfect for use on trucks, SUV's, RVs, tow vehicles and high performance street cars where... more
Starting At
$116.58
50 Big Block Muffler - 2.75 Dual IN / 2.50 Dual OUT - Mild Sound
Brand: Flowmaster
Part #: 527504
The 50 series Big Block muffler is made for more than just big cubic inch engine applications. Its large case size with internal tuning chamber provides mileage and power gains along with maximum sound control for a quiet interior tone, even under... more
Starting At
$165.12
50 SUV Muffler - 2.50 Center IN / 2.25 Dual OUT - Moderate Sound
Brand: Flowmaster
Part #: 525552
The Super 50 Series muffler is a larger version of Flowmaster's 50 Series Delta Flow® muffler. Originally designed for trucks and SUV's, it is also well suited to muscle car and high performance applications. In addition, the larger case size... more
Starting At
$109.95
80 Series - 3.00 Offset IN / 2.50 Dual OUT - Aggressive Sound
Brand: Flowmaster
Part #: 43083
The 80 Series is a cross-flow design for applications where the muffler is mounted transversely behind the rear end. Delivering an aggressive muscle car sound both inside and outside the vehicle, this is an excellent replacement for Camaros &... more
Starting At
$95.47
50 Series Direct Fit Muffler - Left side - Moderate Sound
Brand: Flowmaster
Part #: 425501-L
The three chamber design utilizes Flowmaster's patented Delta Flow technology along with an internal tuning chamber to reduce sound inside the vehicle. Provides the same performance and exterior tone characteristics as the two chamber, but with... more
Starting At
$149.20
Hushpower Pro Series - 4.00 Center IN / 4.00 Center OUT 20.00 in. Long
Brand: Flowmaster
Part #: 14020100
The Pro Series mufflers work on all applications ranging from street trucks, diesel "pullers" and RV "pushers" to every class of racing on dirt or asphalt. During development, at the dyno and track, the new Hushpower Pro Series mufflers... more
Starting At
$149.25
40 Series 409S - 2.25 Offset IN / 2.25 Center OUT - Aggressive Sound
Brand: Flowmaster
Part #: 8042441
The Original 40 Series muffler delivers an aggressive exterior and interior tone. If you're looking for that original " Flowmaster Sound " this is the muffler is for you. . Constructed of 16-gauge 409S Stainless Steel and fully MIG-welded for... more
Starting At
$79.95
50 H.D. Muffler - 4.00 Offset IN / 4.00 Center OUT - Moderate Sound
Brand: Flowmaster
Part #: 954056
Designed primarily for today's heavy duty gas and diesel trucks, this muffler will deliver improved performance, throttle response and mileage. Featuring a deeper, moderate tone with minimal resonance, it is ideal for trucks with modified engines.... more
Starting At
$149.47
50 Series Direct Fit Muffler - Left side - Moderate Sound
Brand: Flowmaster
Part #: 425501-L1
The three chamber design utilizes Flowmaster's patented Delta Flow technology along with an internal tuning chamber to reduce sound inside the vehicle. Provides the same performance and exterior tone characteristics as the two chamber, but with... more
Starting At
$149.95
50 Delta Flow Muffler- Direct Fit Muffler - Right side (304S tips) - Mild Sound
Brand: Flowmaster
Part #: 9424501-R
The three chamber design utilizes Flowmaster's patented Delta Flow technology along with an internal tuning chamber to reduce sound inside the vehicle. Provides the same performance and exterior tone characteristics as the two chamber, but with... more
Starting At
$241.46
50 Delta Flow Muffler - Direct Fit Muffler - Left side (304S tips) - Mild Sound
Brand: Flowmaster
Part #: 9424501-L
The three chamber design utilizes Flowmaster's patented Delta Flow technology along with an internal tuning chamber to reduce sound inside the vehicle. Provides the same performance and exterior tone characteristics as the two chamber, but with... more
Starting At
$241.46
50 Series Direct Fit Muffler - Right side - Moderate Sound
Brand: Flowmaster
Part #: 425501-R1
The three chamber design utilizes Flowmaster's patented Delta Flow technology along with an internal tuning chamber to reduce sound inside the vehicle. Provides the same performance and exterior tone characteristics as the two chamber, but with... more
Starting At
$176.74
40 Series Race Muffler - 3.50 Center IN / 3.50 Center OUT - Aggressive Sound
Brand: Flowmaster
Part #: 9435409
The Delta Force 40 Series race mufflers utilize Flowmaster's patented Delta Flow® technology and feature excellent power characteristics with good sound reduction qualities. Recommended for all racing applications where mufflers are required with... more
Starting At
$89.50
Super 44 Muffler - 3.00 Offset IN / 2.50 Dual OUT - Aggressive Sound
Brand: Flowmaster
Part #: 9430462
Flowmasters Super 44 muffler uses the same Delta Flow® technology found in our larger Super 40 mufflers. The Super 44 delivers a powerful rich tone and is the most aggressive, deepest sounding, highest performing four-inch case street muffler... more
Starting At
$79.55
40 Delta Flow Muffler - 3.00 Offset IN / 3.00 Center OUT - Aggressive Sound
Brand: Flowmaster
Part #: 943041
This two chamber design incorporates Flowmaster's patented Delta Flow technology. The "Delta" deflectors generate increased scavenging for better performance and reduced interior sound. Milder exterior tone and reduced interior resonance over... more
Starting At
$66.00
Super 44 Extreme Muffler - 2.50 Center IN / 2.50 Offset OUT - Aggressive Sound
Brand: Flowmaster
Part #: 942547OR
Flowmasters Super 44 muffler uses the same Delta Flow® technology found in our larger Super 40 mufflers. The Super 44 delivers a powerful rich tone and is the most aggressive, deepest sounding, highest performing four-inch case street muffler... more
Starting At
$89.94
