SKU: 83479845438

2007-2013 Chevrolet Silverado Cat-Back Exhaust Flowmaster Stainless

Sale price$562.48 Regular price$624.98
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Description

2007-2013 Chevrolet Silverado Cat-Back Exhaust Flowmaster StainlessOverview: Our American Thunder cat back exhaust system for 2007 2013 GM Silverado Sierra 1500 with the 5. 3L engine, is perfect for the person looking for moderately aggressive sound levels both inside and outside of the truck. This bolt on emissions legal system features 3. 00 inch mandrel bent stainless steel tubing flowing into a Super 40 Series muffler, for a deep powerful sound. The mandrel bent 2. 50 inch stainless steel tailpipes can be

Overview:

Our American Thunder cat-back exhaust system for 2007-2013 GM Silverado/Sierra 1500 with the 5.3L engine, is perfect for the person looking for moderately aggressive sound levels both inside and outside of the truck. This bolt-on emissions-legal system features 3.00-inch mandrel-bent stainless steel tubing flowing into a Super 40 Series muffler, for a deep powerful sound. The mandrel-bent 2.50-inch stainless steel tailpipes can be configured with your choice of exit locations, either straight out the back under the bumper for a muscular look, or exiting out behind the rear tires on each side of the truck. This is the ideal tailpipe location when towing a boat or RV. The tailpipes are finished off with large 3.50-inch double wall polished stainless steel tips. The system includes all necessary parts and hardware for an easy installation and is covered by our Lifetime Limited Warranty. Notes: Fits all 2/4 wheel drives with 143.5 and 157.5-inch wheelbases. Also fits 2007-2008 GM Silverado/Sierra 1500 with 4.8L engines and 143.5 and 157.5-inch wheelbases.

Features:

  • H-pipe Crossover for Maximum Power and Deep Tone
  • Includes Hangers and Hardware for Easy Installation
  • 80 Series Cross-flow Performance Muffler
  • Mandrel-bent Stainless Steel Tubing
  • Moderate Exterior Exhaust Tone
  • Maximum Ground Clearance
  • Stainless Steel Construction
  • Lifetime Limited Warranty
  • Crossmember-Back System
  • Specs:

  • Brand: Flowmaster
  • CARB (California) Compliant: Yes
  • Catalytic Converter Included: No
  • Catalytic Converter Quantity: 0
  • Clamping Type: Flat Band
  • Clamps Included: Yes
  • Emission Code: 5
  • Exhaust Series: American Thunder
  • Exhaust Tip Color: Silver
  • Exhaust Tip Connection: Clamp-On
  • Exhaust Tip Cut: Angled
  • Exhaust Tip Edge: Angle Cut
  • Exhaust Tip Finish: Polished
  • Exhaust Tip Material: 304 Stainless Steel
  • Exhaust Tip Quantity: 2
  • Exhaust Tip Shape: Round
  • Exhaust Tip Wall: Double Wall
  • Exit Style: Dual Out Side
  • Finish: Natural
  • Gasket Or Seal Included: No
  • Grade Type: Performance
  • Hangers Included: Yes
  • Heat Shield Included: No
  • Inlet Diameter: 3
  • Inlet Type: Flanged
  • Main Piping Diameter: 2.5
  • Mount Type: Flanged
  • Mounting Bracket Included: Yes
  • Muffler Body Height: 5
  • Muffler Body Length: 13.5
  • Muffler Body Material: 409 Stainless Steel
  • Muffler Body Shape: Oval
  • Muffler Body Width: 10
  • Muffler Finish: Black High-Temperature Paint Finish
  • Muffler Flanged Inlet: No
  • Muffler Flanged Outlet: No
  • Muffler Included: Yes
  • Muffler Inlet Connection: Slip-Fit
  • Muffler Inlet Inside Diameter: 3
  • Muffler Inlet Outside Diameter: 3.13
  • Muffler Outlet Connection: Slip-Fit
  • Muffler Outlet Quantity: 2
  • Muffler Part Number: Kit Only
  • Muffler Quantity: 1
  • Muffler Series: Super 40 Series
  • Muffler Type: Chambered
  • Pipe Color: Silver
  • Pipe Material: 409 Stainless Steel
  • Sound Level: Aggressive / Moderate
  • Spring Bolt Kit Included: No
  • Tail Pipe Outlet Outside Diameter: 2.5
  • Tail Pipe Quantity: 2
  • Tail Pipe Tapered Outlet: No
  • Tip Logo: Embossed
  • Type: Cat-Back
  • Valve Included: No
  • Valve Type: Not Applicable
  • Part Number: 817680
  • Applications:

    • 2007-2013 Chevrolet Silverado 1500 325 CID
    • 2007-2008 Chevrolet Silverado 1500 294 CID
    • 2007-2013 GMC Sierra 1500 325 CID
    • 2007-2008 GMC Sierra 1500 294 CID

    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: 83479845438

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    4.6 ★★★★★
    Based on 763 reviews
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    Verified Purchase
    E. A. Baptist
    Los Angeles, US
    ★★★★★ 4
    Makes a difference but maybe only to caffeine addled coffee snobs
    Color: Black
    I won't say that everyone urgently needs one of these. This is helped me up my game. Perhaps not absolutely necessary, but it noticeably reduces canalization and improves extraction. And it appears to have improved not only my espresso, but my pour-overs and my Mokapot (especially the Mokapot!). It's a little fiddley to assemble - there's sets of springs and needles - but once you get it all locked down, its very tight. There's a set of spares - I can't imagine needing them. The tool kinda sits in the weighted base, but it appears to stay put in my cabinet.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on May 24, 2026
    D
    Verified Purchase
    David J.
    Port Orchard, US
    ★★★★★ 5
    Excellent espresso tool
    Color: Black
    Very nicely made and works as intended. Also comes with extra needles. Highly recommend.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on May 17, 2026
    J
    Verified Purchase
    JP Richardson
    Louisville, US
    ★★★★★ 5
    WDT Tool: The Needle in My Espresso Haystack
    Color: Black, Color: Black
    I kind of went down a deep dive researching these WDT (Weiss Distribution Technique) tools, and I have to say, this one hits the sweet spot! The needle size is just right, and the shape is spot on for what I need. Plus, it’s a nice perk that you can remove and replace the needles. I’ve tried using needles and bobby pins in the past, but they were too thick and just ended up creating their own channels—talk about a brewing disaster! Now, here’s the twist: even though it comes with seven needles installed (and more replacements), I find it a bit overkill. With all those needles, it just traps the grinds in the center, pushing stuff around like it’s playing a game of “don’t let the coffee escape.” So, I stick with just three needles in a triangle formation for optimal distribution. Pro tip: don’t forget to adjust the depth as you use it to ensure you’re getting the best coverage of your coffee grounds! The build quality is actually pretty impressive. It feels like well-constructed metal components that could survive a small espresso war. Plus, it's more affordable than some of those fancy options out there—because who needs a second mortgage for great coffee? It looks quite nice on my counter, and the little stand is a handy extra touch. Overall, if you’re looking to up your espresso game and avoid the chaos of uneven distribution, this WDT tool is worth considering. Just remember: less is sometimes more when it comes to needles!
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on October 20, 2024
    V
    Verified Purchase
    Victoria Hawkins
    Louisville, US
    ★★★★★ 5
    Love this thing!!!
    Color: Black, Color: Black
    Hey, coffee lovers! ☕️ I recently got my hands on the WDT Espresso Distribution Tool Espresso Stirrer Tools for Barista, and let me tell you, it's a game-changer! 🙌 I'm absolutely thrilled with this amazing tool and can't recommend it enough to fellow coffee enthusiasts and professional baristas alike. First things first, the build quality of this espresso stirrer is top-notch! 💪 The aluminum alloy handle not only adds durability but also gives it a sleek and professional look, especially in the matte black finish. Holding this tool feels great, and the ergonomic design ensures a comfortable grip even during those long brewing sessions. The 0.35mm 7 needles are perfectly spaced, allowing for precise and consistent distribution of coffee grounds in the portafilter. This means a more even extraction and an enhanced flavor profile in every sip. And guess what? You get 7 extra replaceable needles as a bonus! 🎉 This ensures the longevity of the tool and easy replacement when needed. But wait, there's more! The included stand is a fantastic addition to this package. 🎁 It not only serves as a convenient storage solution but also adds a touch of elegance to my coffee setup. No more rolling around and cluttered workspace. Everything stays in place, thanks to the stand! Using the WDT Espresso Distribution Tool is a breeze! ⚡️ The precisely engineered needles and ergonomic design make it effortless to distribute the coffee grounds evenly. Whether you're a pro barista or a home brewing enthusiast, this tool will take your espresso game to new heights. Trust me on this one! In conclusion, the WDT Espresso Distribution Tool Espresso Stirrer is an absolute must-have for any coffee lover out there. 💯 Its top-notch build quality, precision, and thoughtful design will bring joy to your coffee routine. So, don't wait any longer! Treat yourself and elevate your espresso-making experience with this amazing tool. Cheers! 🥳☕️
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on June 12, 2023
    J
    Verified Purchase
    Johnson Phan
    Natrona Heights, US
    ★★★★★ 5
    Easy to use and affordable - great value for money!
    Color: Black
    I recently purchased the Nessus WDT Espresso distribution tool and I am thoroughly impressed with its performance. Assembling it was a breeze, and it came with extra needles which is always a plus. The tool is easy to clean, which is important to me because I like to keep my equipment in top condition. The price was very fair compared to other similar products on the market, making it an even better value for money. One thing that really stood out to me was the brush that collects the coffee grounds. It's incredibly easy to clean, which makes maintenance a breeze. I've had my share of espresso machines in the past, and I can tell you that this one is a keeper. I would definitely recommend it to anyone looking for a high-quality distribution tool at an affordable price
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on December 16, 2025

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