Skip to Product Info
    • MagnaFlow Muffler Mag SS 22X5X11 2.5 D/3 C
    • MagnaFlow Muffler Mag SS 22X5X11 2.5 D/3 C
    • MagnaFlow Muffler Mag SS 22X5X11 2.5 D/3 C
    • MagnaFlow Muffler Mag SS 22X5X11 2.5 D/3 C
    • MagnaFlow Muffler Mag SS 22X5X11 2.5 D/3 C
    • MagnaFlow Muffler Mag SS 22X5X11 2.5 D/3 C
    • MagnaFlow Muffler Mag SS 22X5X11 2.5 D/3 C
    • MagnaFlow Muffler Mag SS 22X5X11 2.5 D/3 C
    • MagnaFlow Muffler Mag SS 22X5X11 2.5 D/3 C
    • MagnaFlow Muffler Mag SS 22X5X11 2.5 D/3 C
    • MagnaFlow Muffler Mag SS 22X5X11 2.5 D/3 C
    • MagnaFlow Muffler Mag SS 22X5X11 2.5 D/3 C
    • MagnaFlow Muffler Mag SS 22X5X11 2.5 D/3 C
    • MagnaFlow Muffler Mag SS 22X5X11 2.5 D/3 C
    • MagnaFlow Muffler Mag SS 22X5X11 2.5 D/3 C
    • MagnaFlow Muffler Mag SS 22X5X11 2.5 D/3 C
    • MagnaFlow Muffler Mag SS 22X5X11 2.5 D/3 C
    Sale!

    MagnaFlow Muffler Mag SS 22X5X11 2.5 D/3 C

    Vendor: MagnaFlow
    Part Number: 12588
    Save $80.29
    Sale Price $209.00 Regular Price $289.29

    In Stock

    Not sure it fits your vehicle?
    Email sales@berryperformancesales.com with your year, make, model and engine, and we'll help you check fitment before you order.
    Fast Fulfillment: In-stock orders typically ship within 1 to 2 business days.
    Free Shipping on Orders Over $99 | Excludes freight shipments
    International Shipping Available: email sales@berryperformancesales.com for a quote.
    Payment & Security

    Secure, encrypted checkout. Card details go straight to the payment processor and are never stored by us.

    • Amazon
    • American Express
    • Apple Pay
    • Diners Club
    • Discover
    • Google Pay
    • Mastercard
    • PayPal
    • Shop Pay
    • Venmo
    • Visa
    Share to:

    The MagnaFlow 5 X 11in. Oval Straight-Through Performance Exhaust Muffler 12588 is engineered to enhance your ride with a healthy helping of our signature exhaust sound and dyno-proven performance thanks to its free-flowing straight-through perforated stainless steel core wrapped in stainless steel mesh and acoustic fiber fill. The reversible, universal 3/2.5in. diameter inlet/outlet Straight-Through layout allows you to install it in whatever orientation and configuration you see fit. However, professional installation is highly recommended. Muffler 12588s weight-optimized 5x11x22in. oval-shaped body features a satin finish that elevates the overall aesthetics of your current exhaust setup. 12588 is made of durable, corrosion resistant stainless steel and produced using cutting-edge CNC precision robotic manufacturing techniques, all backed by MagnaFlow's limited lifetime construction warranty.

    • Delivers a Smooth, Deep Tone
    • Delivers A Smooth-Deep Tone
    • Mufflers Are Bi-Directional
    • 100 Percent Stainless Steel
    • 100% Stainless Steel

    This Part Fits:

    Year Make Model Submodel
    2003-2006 Cadillac Escalade Base
    2003-2006 Cadillac Escalade ESV Base
    2003-2006 Cadillac Escalade EXT Base
    2007-2008 Chevrolet Suburban 2500 LS
    2007-2008 Chevrolet Suburban 2500 LT
    2007 Chevrolet Suburban 2500 LTZ
    1996-1999 Chevrolet Tahoe Base
    1996-1999 Chevrolet Tahoe LS
    1996-1999 Chevrolet Tahoe LT
    2008 Chevrolet Trailblazer Base
    2002-2007 Chevrolet Trailblazer LS
    2002-2009 Chevrolet Trailblazer LT
    2002-2003 Chevrolet Trailblazer LTZ
    2002-2004 Chevrolet Trailblazer North Face
    2003-2006 Chevrolet Trailblazer EXT LS
    2002-2006 Chevrolet Trailblazer EXT LT
    2002-2004 Chevrolet Trailblazer EXT North Face
    2009-2010 Dodge Ram 1500 Laramie
    2009-2010 Dodge Ram 1500 SLT
    2009-2010 Dodge Ram 1500 Sport
    2009-2010 Dodge Ram 1500 ST
    2009-2010 Dodge Ram 1500 TRX
    2009-2010 Dodge Ram 1500 TRX4
    2004-2009 GMC Envoy SLE
    2004-2009 GMC Envoy SLT
    1999 GMC Yukon Denali
    1996-1997 GMC Yukon SL
    1996-1999 GMC Yukon SLE
    1996-1999 GMC Yukon SLT
    2003-2006 GMC Yukon XL 1500 Denali
    2007-2008 GMC Yukon XL 2500 SLE
    2007-2008 GMC Yukon XL 2500 SLT
    2006 Isuzu Ascender Base
    2004-2006 Isuzu Ascender LS
    2004-2005,2007-2008 Isuzu Ascender S
    2013-2016 Nissan Frontier Desert Runner
    2010 Nissan Frontier LE
    2010-2016 Nissan Frontier PRO-4X
    2011-2016 Nissan Frontier S
    2010 Nissan Frontier SE
    2011-2016 Nissan Frontier SL
    2011-2016 Nissan Frontier SV
    2011-2014 Ram 1500 Big Horn
    2012-2014 Ram 1500 Express
    2013-2014 Ram 1500 HFE
    2012-2014 Ram 1500 Laramie
    2014 Ram 1500 Laramie Limited
    2012-2014 Ram 1500 Laramie Longhorn
    2014 Ram 1500 Lone Star
    2011-2014 Ram 1500 Outdoorsman
    2013 Ram 1500 R/T
    2011-2014 Ram 1500 SLT
    2014 Ram 1500 Special Service
    2012-2014 Ram 1500 Sport
    2011-2012 Ram 1500 ST
    2012-2014 Ram 1500 Tradesman
    2012 Ram 1500 Tradesman HD
    2011 Ram 2500 Laramie
    2011 Ram 2500 Laramie Longhorn
    2011 Ram 2500 Power Wagon
    2011 Ram 2500 SLT
    2011 Ram 2500 ST
    2001-2006 Toyota Sequoia Limited
    2001-2006 Toyota Sequoia SR5
    2007-2013 Toyota Tundra Base
    2001-2002,2007-2013 Toyota Tundra Limited
    2013 Toyota Tundra Platinum
    2014-2015 Toyota Tundra SR
    2001-2002,2007-2011,2014-2015 Toyota Tundra SR5
    Shipping Policy
    • Free shipping on orders over $99 (excludes freight shipments).
    • In-stock orders typically ship within 1 to 2 business days. Weekend and holiday orders are processed the next business day.
    • Orders ship from Defiance, Ohio and a nationwide network of warehouses and manufacturers.
    • Items showing an ETA are not in stock yet. ETAs come from the manufacturer and can change.
    • No P.O. Boxes. International orders need a shipping quote, so email us first.

    Read the full Shipping Policy

    Return Policy
    • 30-day return window from the ship date. Returns must be approved first; email sales@berryperformancesales.com with your order number.
    • Items must be unused, complete and in the original packaging.
    • A 20% restocking fee applies, and return shipping is paid by the buyer.
    • Not returnable: installed or modified parts, opened or used programmers and tuners, custom orders, Open Box, and Clearance or Final Sale items.
    • Damaged, defective or incorrect items must be reported within 48 hours of delivery with photos.

    Read the full Return Policy

    Disclaimer

    All products are sold for off-road use only unless otherwise specified. Buyer assumes all responsibility for installation and operation. Seller is not liable for any incidental, indirect, or consequential damages — including engine failure, labor costs, or vehicle downtime — resulting from the use of any product sold.

    By making a purchase from Berry Performance Sales, you acknowledge and agree to abide by the terms and conditions of these Policies.

    For any questions or concerns, please contact us — we’re always happy to help.

    Recently Viewed