Performance Muffler Flowmaster Stainless Steel
SKU: 56012383836

Performance Muffler Flowmaster Stainless Steel

Sale price$170.06 Regular price$188.95
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Ships within 48 hours · Estimated delivery Jul 8 - Jul 13

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Description

Performance Muffler Flowmaster Stainless SteelOverview: Flowmaster's latest version of its popular 80 Series Crossflow Muffler has a 2. 50 inch inlet and outlet on the same end of the muffler case. This muffler utilizes a smaller 4. 0 inch by 9. 5 inch by 13. 0 inch case for easier fitment on various applications and is intended for use on vehicles where a side exit in front of the rear tires is desired. Delivering a moderate to aggressive tone, this muffler is excellent for custom applications

Overview:

Flowmaster's latest version of its popular 80 Series Crossflow Muffler has a 2.50 inch inlet and outlet on the same end of the muffler case. This muffler utilizes a smaller 4.0 inch by 9.5 inch by 13.0 inch case for easier fitment on various applications and is intended for use on vehicles where a side exit in front of the rear tires is desired. Delivering a moderate to aggressive tone, this muffler is excellent for custom applications and is constructed with 409S Stainless Steel. This muffler is backed by Flowmaster's Lifetime Limited Warranty.

Features:

  • Improved Horsepower, Torque and Engine Efficiency
  • Excellent choice for Street Rod cars and trucks
  • Mild interior resonance
  • Moderate Sound
  • Specs:

  • Body Height: 4
  • Body Length: 13
  • Body Material: 409 Stainless Steel
  • Body Width: 9.5
  • Brand: Flowmaster
  • Clamps Included: No
  • Color: Black
  • Emission Code: 5
  • Exhaust Tip Quantity: 0
  • Finish: High-Temperature Paint
  • Fitment: Universal
  • Grade Type: Performance
  • Hanger Included: No
  • Heat Shield Attached: No
  • Inlet Connection: Slip-Fit
  • Inlet Diameter: 2.5
  • Inlet Inside Diameter: 2.5
  • Inlet Location: Offset
  • Inlet Outside Diameter: 2.63
  • Inlet Quantity: 1
  • Inlet Type: Weld-On
  • Mount Type: Uses New Hangers (Not Included)
  • Muffler Series: 80 Series Crossflow
  • Muffler Type: Chambered (Transverse)
  • Outlet Connection: Slip-Fit
  • Outlet Inside Diameter: 2.5
  • Outlet Location: Offset (Same End)
  • Outlet Outside Diameter: 2.63
  • Outlet Quantity: 1
  • Overall Length: 20.5
  • Reversible: No
  • Shape: Oval
  • Sound Level: Aggressive
  • Tunable: No
  • Universal Or Specific Fit: Universal
  • Part Number: 842580
  • 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: 56012383836

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    4.3 ★★★★★
    Based on 2429 reviews
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    Verified Purchase
    Patricia Randle
    Port Orchard, US
    ★★★★★ 5
    Good buy
    Love these. Easy clean up and use. As described
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on March 7, 2026
    R
    Rachel
    New York, US
    ★★★★★ 4
    Value, Durability, Everyday Use
    What I liked: - Price-to-value is the standout. These were significantly better priced than similar packs I’ve bought from local grocery stores and big discount retailers. - For everyday, disposable use—think casseroles, baked pasta, brownies, roasted veggies—the lighter weight is perfectly fine. - They stack neatly and are easy to store, which matters when you’re buying in bulk. What I didn’t like: - They’re a bit flimsier and not as thick as the store-brand pans I’ve used before. You can feel the difference when you handle them. - For heavier dishes (large lasagnas, big roasts, or anything dense with sauces), a single pan can flex more than I’d like. How I used them: - Over the past couple of weeks, I’ve used these for baking brownies, roasting chicken thighs with vegetables, and prepping freezer meals. When I expected more weight or lots of liquid, I doubled up the pans, which solved the flex issue and kept everything stable. - I also tested bending one to compare sturdiness. In the accompanying video, you’ll see me gently flexing the pan to show the “give.” In the photo, I placed this pan next to a thicker pan I bought at a regular store so you can see the difference in gauge. My takeaway: - If you need heavy-duty pans for very weighty dishes, these aren’t a perfect one-for-one replacement for thicker, premium options. However, for routine baking, storage, and serving—especially when you plan to toss the pan afterward—the cost savings make a lot of sense. - Doubling them for heavier recipes is a simple workaround that maintains stability while still keeping the overall cost lower than buying thicker single-use pans. Verdict: - I’ll be purchasing these again for everyday use and bulk meal prep. The value is strong, and the performance is solid when you match the pan to the job or double up as needed.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on April 15, 2026
    R
    Verified Purchase
    Rose S.
    Dallas, US
    ★★★★★ 5
    Easy clean up
    Sturdy. Various uses.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on March 7, 2026
    C
    Verified Purchase
    Cindy Talley
    Port Orchard, US
    ★★★★★ 5
    pans
    good
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on January 31, 2026
    M
    Verified Purchase
    Monstee71
    San Leandro, US
    ★★★★★ 2
    Terrible!!
    VERY lightweight and flimsy. I wouldn't trust these pans with anything! Oh... they might be okay for serving potato chips or popcorn.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on May 24, 2026

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