15778 Street Series Cat-Back Performance Exhaust System Fits Select Chevrolet, GMC Models
InfoVehicle Info Needed
MAGNAFLOWPART NUMBER: 642-15778

15778 Street Series Cat-Back Performance Exhaust System Fits Select Chevrolet, GMC Models

$96500
ShippingShips on Sep 17, 2026
Lowest PriceLowest Price Guarantee

Silverado/Sierra 1500
Street Series Cat-Back Performance Exhaust System
  • Fits Select Chevrolet, GMC Models
  • Fits Select Chevrolet, GMC Models
  • Stainless Steel

    The MagnaFlow Street Series Cat-Back Performance Exhaust System 15778 brings out the personality of your Truck with our signature resonant, powerful engine tone and dyno-proven performance. Thanks to its fast-flowing, mandrel bent 3in. main piping and 1 Straight-Through mufflers ending in a Single Passenger Side Rear exit with 4in. Polished Welded-On Single Wall Angle Cut Rolled Edge tips, this Truck exhaust kit has the performance chops to match its sporty sound and appearance. Upgrade your ride to the next level with an exhaust that has the pipes to put other Truck's to shame. With this system your vehicle will be producing Moderate exterior and Mild interior sound levels while leaving other cars and trucks feeling envious at every stoplight. Exhaust kit 15778 features a cat-back layout that replaces your ride's stock exhaust components from near the catalytic converter on back. Extensive 3D scanning during development has resulted in a direct-fit design that you can easily install yourself. 15778 is produced using CNC precision robotic manufacturing techniques and is backed by MagnaFlow's 1-year limited finish warranty and limited lifetime construction warranty.

    Magnaflow 15778 Street Series Cat-Back Performance Exhaust System Features:

    • Durable corrosion-resistant stainless steel construction
    • CNC precision robotic manufacturing techniques
    • Dyno-proven performance
  • Part TypeExhaust System
    BrandMAGNAFLOW
    Package Height12.0
    Package Width16.0
    Package Length56.5
    Weight53.5 PG
    Part CategoryPerformance Parts
    Hardware IncludedYes
    Tailpipe Diameter (In.)3
    Tip CutStraight
    Exit LocationPassenger side
    Muffler StyleTurbo
    Inlet QuantityOne
    Tip Outlet Size4 in (101.6 mm)
    Tip FinishPolished
    Tip IncludedYes
    QuantitySold as a kit
    System FinishNatural
    Muffler IncludedYes
    Muffler QuantityOne
    System StyleCat Back
    Muffler ConfigurationSingle inlet/Single outlet
    System MaterialStainless steel
    Exit QuantityOne
    Tip MaterialStainless steel
    Tip Edge StyleRolled edge
    Tip Quantity1
    Tip ShapeRound
    Intermediate Pipe Diameter3 in (76.2 mm)
    Part FitmentDirect Fit
    Exhaust TypeSingle
    Vendor Part Number15778
    Package Qty1
    Package TypeEA
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