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Product Summary

Universal Fit, 2.5" Inlet Diameter, 4.00" Outlet Size

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    Key Specs

    MFG. Part #15391
    BrandFlowmaster
    Exhaust Tubing Diameter2-1/2 Inch
    Material TypeStainless Steel
    FinishPolished
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    Flowmaster 15391 Details

    These fully polished stainless steel tips feature a double wall construction, a cut edge style and come finished with embossed Flowmaster logo. Weld on installation. Available in various sizes. Sold individually.

    Rebates

    Holley IRS Sale 2026

    Save 10% instantly on select products across the Holley family of performance brands during the annual Holley I.R.S.Tax Sale. Instant rebate period runs from February 17, 2026 through March 29, 2026.

    Flowmaster 15391 Specifications

    KEY SPECS
    MFG. Part #15391
    BrandFlowmaster
    Exhaust Tubing Diameter2-1/2 Inch
    Material TypeStainless Steel
    FinishPolished
    GENERAL
    Inlet Diameter2.5"
    Overall Length10.00"
    Outlet Size4.00"
    Tip InstallationWeld-on
    Exhaust Tip ShapeRound
    Exhaust Tip CutAngle
    Exhaust Tip Edge StyleNon-Rolled Edge | Single-Wall
    Exhaust Tip Quantity2
    ResonatorNo
    Exhaust Tip FinishPolished
    Outlet Diameter4"
    GTIN Code700042026159
    Sold in QuantityEach
    Customer Impersonation Script