Muffler Flow FX 3.5" Center In/3.5" Center Out SS Moderate Flowmaster
SKU: 41110654347

Muffler Flow FX 3.5" Center In/3.5" Center Out SS Moderate Flowmaster

Sale price$143.95 Regular price$159.95
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  • USA
  • CAN

Ships within 48 hours Β· Estimated delivery Jul 9 - Jul 14

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Description

Muffler Flow FX 3.5" Center In/3.5" Center Out SS Moderate FlowmasterOverview: Flowmaster's Flow FX series mufflers deliver a moderate performance tone for the enthusiast looking for an exhaust note that is different from the "chambered" muffler sound. The interior features a large 3. 50 inch "straight through" stainless steel perforated core, surrounded with high temperature sound absorption materials delivering a deep traditional mellow tone. The internal flow design is reversible, so the muffler can be installed in

Overview:

Flowmaster's Flow FX series mufflers deliver a moderate performance tone for the enthusiast looking for an exhaust note that is different from the "chambered" muffler sound. The interior features a large 3.50-inch "straight-through" stainless steel perforated core, surrounded with high-temperature sound absorption materials delivering a deep traditional mellow tone. The internal flow design is reversible, so the muffler can be installed in either direction to best suit the vehicle application and offsets needed. Features include fully MIG-welded "bright" 409 stainless steel construction with the Flow FX logo embossed on both sides of the case. The Flow FX line of mufflers are perfect for the person looking for a show quality performance muffler at an economical price point and in a compact sized case.

Features:

  • Fits most 1964-1972 GM A-Bodies with V8 engines and aftermarket long tube headers.
  • Includes Hangers and Hardware for Easy Installation
  • Mandrel-bent 16-Gauge Aluminized Steel Tubing
  • Two Exit Style Choices: Slash Cut or Turndown
  • Moderate to Aggressive Exterior Exhaust Tone
  • Built-in Balance Pipe Equalizes Pressures
  • Super 40 Series Performance Mufflers
  • Flowmaster Quality & Reliability
  • Crossmember-Back System
  • Specs:

  • Body Height: 5
  • Body Length: 18
  • Body Material: 409 Stainless Steel
  • Body Width: 8
  • Brand: Flowmaster
  • Clamping Type: Flat Band
  • Clamps Included: No
  • Color: Silver
  • Emission Code: 5
  • Exhaust Tip Quantity: 0
  • Finish: Natural
  • Fitment: Universal
  • Grade Type: Performance
  • Hanger Included: No
  • Heat Shield Attached: No
  • Inlet Connection: Slip-Fit
  • Inlet Diameter: 3.5
  • Inlet Inside Diameter: 3.5
  • Inlet Location: Center
  • Inlet Outside Diameter: 3.63
  • Inlet Quantity: 1
  • Inlet Type: Weld-On
  • Muffler Series: Flow FX
  • Muffler Type: Absorption
  • Outlet Connection: Slip-Fit
  • Outlet Inside Diameter: 3.5
  • Outlet Location: Center
  • Outlet Outside Diameter: 3.63
  • Outlet Quantity: 1
  • Overall Length: 24
  • Reversible: Yes
  • Shape: Oval
  • Sound Level: Moderate
  • Tunable: No
  • Universal Or Specific Fit: Universal
  • Part Number: 74151
  • Emissions:

    • This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.
    Shipping Notes
    • Free Standard Shipping on $100+ Orders to the USA.
    • Except Preorder products are shipped in 48 hours.
    • Delivery to the USA:
    1. Standard Shipping : 3-10 business days
    • If time is of the essence, please consider selecting expedited delivery for faster service.
    Exchange/Return Notes
    • We offer a 30-day return/exchange service after receiving.
    • Final sale items are not eligible for returns or exchanges.
    • To process your return/exchange, please contact us at [email protected]
    • Please click here for more details>>> Return & Exchange Policy
    SKU: 41110654347

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    4.7 β˜…β˜…β˜…β˜…β˜…
    Based on 1744 reviews
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    K
    Verified Purchase
    Kate
    Lake Worth, US
    β˜…β˜…β˜…β˜…β˜… 1
    Soap stains wont wash off
    Color: Gravel Black
    Like the looks of it but gets easily stained with the soap and wont come off.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on December 4, 2025
    M
    Verified Purchase
    Michelle C
    Port Orchard, US
    β˜…β˜…β˜…β˜…β˜… 5
    Great product!
    Style: Zig Zag, Size: 28 inch
    Great product! Sturdy, easy to install, and modern look.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on January 5, 2026
    E
    Verified Purchase
    E
    Birmingham, US
    β˜…β˜…β˜…β˜…β˜… 5
    18 months later
    Style: H-shape, Size: 38 inch
    Legs seem decently thick. They could be a little sturdier. The paint has stayed with no chips or flakes. Color has not faded. It sits at the perfect height for a desk. Screws and hardware do the job. No welds to speak of, everything screws together. I’ve used these for a year and a half as a school desk and has held up well. I took a sheet of project board with stain and polyurethane as my top. Works excellent
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on March 8, 2026
    T
    Verified Purchase
    The Shark
    Carnegie, US
    β˜…β˜…β˜…β˜…β˜… 5
    Gonna like these!
    Style: Zig Zag, Size: 28 inch
    Well done! Substantial legs that look great for a very reasonable price! Will absolutely purchase again for next project. Just can’t beat the price for the quality.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on December 5, 2025
    C
    Verified Purchase
    Curtis W
    Lake Worth, US
    β˜…β˜…β˜…β˜…β˜… 4
    Very sturdy legs!
    Style: Zig Zag, Size: 28 inch, Style: Zig Zag, Size: 28 inch
    The legs are very well built and good looking, however, the screws included for installation are only 9/16" long which is not nearly enough for table legs of this size. I installed the legs on a 30" x 83" live edge oak tabletop that is full 2" thick. I purchased 1 1/4" screws for the install making the table very solid.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on April 15, 2025

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