Best Flowmaster 737860 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 – 2.25" 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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SupplyMount 737860 - Aftermarket Replacement Signature Series Compatible with Flowmaster

Direct Fit Replacement - Designed as an upgraded aftermarket replacement component to provide reliable compatibility for straightforward installation - verify part number match with your vehicle's specifications before purchasing
Durable Construction - Manufactured with quality materials engineered for reliable long-term performance and resistance to wear in demanding automotive applications
Industry Standard Performance - Designed to meet automotive industry specifications for consistent operation across a wide range of vehicle applications and driving conditions
Quality Assurance - Engineered to deliver reliable performance with attention to precise fitment and consistent operation for long-lasting service life
Installation Ready - Designed for efficient installation to reduce downtime - professional installation recommended to ensure proper fit and function - refer to vehicle service manual for specifications
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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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Our #1 Pick Today
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 737860 deals are available from: Amazon, starting from $84.95.

The biggest discount we found is 15% on Flowmaster 737857 Signature Series Exhaust System (737857) at Amazon.

The lowest price we found is $84.95 while the highest is $1,780.10. Prices for the best Flowmaster 737860 deals average at $680.33.