Best Flowmaster Flo717999 Deals of Nov 2026

Updated November 10, 2026Our site contains affiliate links for which we may be compensated.
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Flowmaster

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

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.
BUILT TO LAST: Made from durable 409S stainless steel and fully MIG-welded to ensure long-lasting performance, corrosion resistance, and vibration.
UNIVERSAL FITMENT: Designed for maximum versatility with reversible flow paths, fitting tight spaces and custom builds with multiple inlet/outlet configurations.
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Flowmaster

Flowmaster Super 44 Series Chambered Muffler – 3.00" Center In/Offset Out | Aggressive Sound, 16-GaugeAaluminized Steel, for Classic & Late Muscle Cars, Street Rods, Trucks, SUVs (943047)

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.
BUILT TO LAST: Constructed from 16-gauge aluminized steel and fully MIG-welded for durability under high heat, vibration, and aggressive driving conditions.
UNIVERSAL FITMENT: Compact 4-inch case works in tighter clearances where bigger mufflers won’t fit. Ideal for muscle cars, trucks, off-road rigs, hot rods, lowered customs, and street/strip builds and daily drivers that want to stand out. Available in multiple inlet/outlet options to support custom builds and modified vehicles. Main case dimensions: 13” length x 9.5” width x 4.0” thick.
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Flowmaster

Flowmaster Flow FX Muffler – 2.25" Center In / 2.25" Center Out | Flow FX, Moderate Sound, Stainless Steel, Affordable Performance for Modern trucks, Muscle Cars & Daily Drivers (71415)

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.
BUILT TO LAST: Made from durable 409S stainless steel and fully MIG-welded to ensure long-lasting performance, corrosion resistance, and vibration.
UNIVERSAL FITMENT: Designed for maximum versatility with reversible flow paths, fitting tight spaces and custom builds with multiple inlet/outlet configurations.
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on Amazon.com
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Flowmaster

Flowmaster Super HP-2 Laminar Flow Muffler – 2.50" Center In/Center Out | Powerful Sound, Cool Shell Technology, 409 Stainless Steel, High-Performance Exhaust for Muscle Cars & Trucks (12512409)

COOL SHELL TECHNOLOGY: Patented thermal barrier and compact square case dramatically lowers exterior case temperatures, protecting floorboards, fuel systems, and other heat-sensitive components. Slim profile fits easily in tight spaces
LAMINAR FLOW TECHNOLOGY – Engineered cones smooth airflow and redirect sound waves back into themselves, reducing resonance and delivering a deeper, more controlled tone.
DYNO TESTED FOR MAXIMUM PERFORMANCE: Dyno proven to reduce back pressure and support high-horsepower builds while delivering an aggressive performance tone with controlled interior sound.
HIGH-PERFORMANCE EXHAUST FOR MUSCLE CARS & TRUCKS: Engineered Laminar Flow design supports horsepower and torque gains while controlling resonance. Perfect for modern muscle cars, high-output trucks, LS swaps, and custom builds where space is limited. Case dimensions: 4"H x 12"L x 5"W.
BUILT TO LAST: Fully MIG-welded 409S stainless steel construction for superior durability against heat, corrosion, and road abuse.
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Flowmaster

Flowmaster Flow FX Muffler – 2.25" Offset In / 2.25" Center Out | Flow FX, Moderate Sound, Stainless Steel, Affordable Performance for Modern trucks, Muscle Cars & Daily Drivers (71225)

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.
BUILT TO LAST: Made from durable 409S stainless steel and fully MIG-welded to ensure long-lasting performance, corrosion resistance, and vibration.
UNIVERSAL FITMENT: Designed for maximum versatility with reversible flow paths, fitting tight spaces and custom builds with multiple inlet/outlet configurations.
Details & specs
Check Price
on Amazon.com
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Disclaimer: While we make every effort to ensure accuracy, we cannot guarantee that all product specifications, pricing, discounts, and details are complete or error-free. Because information is subject to change, we recommend verifying all details directly with the retailer prior to making a purchase. As an Amazon Associate, we earn from qualifying purchases.

10 Flowmaster Flo717999 deals are available from: Amazon, starting from $84.95.

The lowest price we found is $84.95 while the highest is $1,599.95. Prices for the best Flowmaster Flo717999 deals average at $495.95.