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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Ships within 48 hours · 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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    4.2 ★★★★★
    Based on 1825 reviews
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    Al
    Phoenix, US
    ★★★★★ 5
    Great shirt for the price.
    Material Type: Recycled Polyester, Color: Electric Blue, Size: Large
    Bought this for my son. Very nice shirt for the price, it is true to size and the color is the same as the picture. Would definitely buy it again. The material is good quality. No issues whatsoever
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    Reviewed in the United States on May 19, 2026
    S
    Verified Purchase
    SM
    Omaha, US
    ★★★★★ 5
    Great purchase
    Material Type: Recycled Polyester, Color: Dark Navy, Size: X-Large
    Purchased several shirts, all were great quality. You never know what you’ll get when you purchase sight unseen, these are worth it. Great value, style, and comfort. Color is exactly what you see online. True to size.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on November 25, 2025
    J
    Verified Purchase
    Jocelyn
    Fort Morgan, US
    ★★★★★ 4
    Great quality for price
    Material Type: Recycled Polyester, Color: Red Stripe, Size: XX-Large
    Very impressed with the shirt quality, especially for such a low price. Sizing is accurate.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on May 21, 2026
    S
    Verified Purchase
    Shawn SnoMan Thompson
    Grantham, US
    ★★★★★ 5
    For work or casual wear, this polo is a great choice.
    Material Type: Recycled Polyester, Color: Port Stripe, Size: X-Large
    I really like this polo. I've been wearing it once a week or every other week since November. Its very comfortable and breathable. This polo feels like it should last a while. The fit is good. I typcally wear XL and this XL fits great. I've pruchased it in both burgundy and black so far. I definitely recommend this shirt. For work or casual wear, this will look good.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on January 11, 2026
    T
    Verified Purchase
    Tech Dad
    Cuba, US
    ★★★★★ 5
    Great value: These are my go-to work from home shirt
    Material Type: Recycled Polyester, Color: Blue, Size: X-Large
    I’ve been pleasantly surprised by these shirts and wear them weekly for Zoom calls, since I’m still working from home these days. I figured at the price point it was worth trying them out, and now I’ve bought several in different colors. They aren’t super soft, but they are comfy and look nice. I’m 6’1” ~220 pounds, and the XL slim fit still has plenty of room. I imagine the regular cut is incredibly boxy and oversized. The difference between polyester vs recycled polyester is inconsequential. I typically buy expensive golf shirts, and these definitely aren’t as nice. They are a fraction of the cost though and a great “beater” work shirt / hang out shirt. It’s nice wearing something that looks and feels decent, but if something happens to it, you can toss and it and pick up another for the cost of a chipotle burrito.
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    Reviewed in the United States on May 29, 2022

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