SKU: 18233164735

2001-2006 Chevrolet Avalanche Cat-Back Exhaust Flowmaster Stainless

Sale price$527.38 Regular price$585.98
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Ships within 48 hours · Estimated delivery Jul 14 - Jul 19

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Description

2001-2006 Chevrolet Avalanche Cat-Back Exhaust Flowmaster StainlessOverview: This American Thunder system fits 2001 2006 GM Suburban, Avalanche and Yukon XL 1500 SUV's and increases the horsepower, torque and mileage of these popular trucks. The exhaust system is constructed from 16 gauge mandrel bent stainless steel and has a flanged resonator assembly flowing into a specially tuned resonator and a Super 50 Series performance muffler producing a mild to moderate interior tone and a deep exterior sound. The dual 2.

Overview:

This American Thunder system fits 2001-2006 GM Suburban, Avalanche and Yukon XL 1500 SUV's and increases the horsepower, torque and mileage of these popular trucks. The exhaust system is constructed from 16-gauge mandrel-bent stainless steel and has a flanged resonator assembly flowing into a specially tuned resonator and a Super 50 Series performance muffler producing a mild to moderate interior tone and a deep exterior sound. The dual 2.50-inch tailpipes exit out the side of the vehicle behind the rear tires and are finished off with large pair of 4.00-inch polished 304 stainless tips. All necessary parts and hardware are included for a great fitting installation and is covered by Limited Lifetime Warranty.

Features:

  • Large 4.00-inch Black Ceramic Coated Tips
  • Mandrel-bent Dual 3.00-inch Tailpipes
  • Large 4-inch 50 HD Muffler Internals
  • Uses the Factory Hanger Locations
  • Deep Powerful Exterior Sound
  • Clears the Factory Spare Tire
  • Stainless Steel Construction
  • Quick and Easy Installation
  • Lifetime Limited Warranty
  • 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
  • Mounting Bracket Included: Yes
  • Muffler Body Height: 5
  • Muffler Body Length: 17.25
  • 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 50 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
  • Type: Cat-Back
  • Valve Included: No
  • Valve Type: Not Applicable
  • Part Number: 817342
  • Applications:

    • 2002-2006 Chevrolet Avalanche 1500 325 CID
    • 2001-2006 Chevrolet Suburban 1500 325 CID
    • 2001-2006 GMC Yukon XL 1500 325 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: 18233164735

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    Based on 274 reviews
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    H
    Verified Purchase
    HP
    Belleville, US
    ★★★★★ 5
    Excelente producto.
    Case perfecto
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on November 19, 2025
    P
    Verified Purchase
    photomark
    Battle Creek, US
    ★★★★★ 5
    Worked out great
    Replaced on my E46 with this, it had better finish than the original, since it had a worn coating. Fitted like OEM without the OEM price.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on August 31, 2023
    C
    Verified Purchase
    Carlos peña
    San Leandro, US
    ★★★★★ 5
    Perfecto
    Casa perfecto
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on August 7, 2025
    G
    Verified Purchase
    Good for noisy workspaces 👍
    Phoenix, US
    ★★★★★ 4
    Good product
    Fits nice. No proplem to install
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on August 14, 2023
    H
    Verified Purchase
    Hugo Cardenas
    Fort Morgan, US
    ★★★★★ 5
    Fits and looks good
    Model: E46-4door, Size: Double Slats-Glossy Black
    Fit great, looks good. Would recommend for e46
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on April 17, 2026

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