Rebate

Flowtech 11547FLT Shorty LT Headers, Natural Finish, 2014-15 Silverado

Rebate

Flowtech 11547FLT Shorty LT Headers, Natural Finish, 2014-15 Silverado
Flowtech Exhaust

|

#42511547FLT

Flowtech 11547FLT Shorty LT Headers, Natural Finish, 2014-15 Silverado

$373.95

/each

Factory Shipped

$415.95

Save $42.00


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Product Summary

Shorty Header Tube Type, Oval Exhaust Port Shape, Raw

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    Key Specs

    MFG. Part #11547FLT
    Header Tube TypeShorty
    Exhaust Port ShapeOval
    Flange StyleStandard
    Primary Tube Diameter1-5/8"
    See more specs

    Need To Know

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    855.313.9176
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    Flowtech Exhaust 11547FLT Details

    Flowtech Headers are the perfect combination of quality and value. These shorty style headers fit the popular 2014-2015 Chevy/GMC Silverado/Tahoe/Yukon 5.3L & 6.2L V-8, 2WD/4WD models.

    2014-15 Chevy/GMC Silverado/Tahoe/Yukon 1-5/8" Shorty Header for 5.3/6.2L LT Engines (2WD/4WD)

    • Mandrel-bent 409 Stainless Steel tubes provide consistent tubing diameters for smooth flow and increased exhaust velocity
    • Heavy duty 16-gauge tubing for increased strength and durability
    • Smooth transition, 1-5/8” diameter primary tubes are used for increased exhaust flow increasing performance and improving throttle response
    • OE style 2-1/2” ball and socket collector connects to factory exhaust head pipe with no cutting or welding
    • TIG-welded, machined 3/8” header flange for a leak-free seal and maximum strength
    • Premium aluminum header gaskets included
    • Available finishes include Natural, Polished, High Temp Black paint, and Ceramic Coated finishes
    • Popular shorty header for LT-Swaps
    • Headers are a must upgrade if you are using a cold air intake, cat-back exhaust system or tuner

    Charts

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    Holley October Promo 10% Off Select Parts Sale

    Holley October Promo 10% Off Select Parts SaleHolleyOctoberPromo10%OffSelectPartsSale

    Holley's October Promo 10% Off Select Parts Sale, running from September 28, 2026, through November 1, 2026. For a limited time, customers can save up to 10% off on select Holley parts, making it the perfect opportunity to upgrade your ride with premium Holley branded parts including Holley, Brawler, Quick Fuel, Leg Wheels, Rev Wheels, Rocket Racing, Flowtech, Edge, Racequip, Apr and Dinan. Purchases must be made between September 28, 2026, through November 1, 2026. This limited-time offer applies to qualifying Holley branded parts purchased during the promotional period. Following the promotion, these parts will revert back to standard pricing.

    CARB Warning

    For race/ off road use only

    Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway. Any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.
    CARB warning

    Flowtech Exhaust 11547FLT Specifications

    KEY SPECS
    MFG. Part #11547FLT
    BrandFlowtech Exhaust
    Header Tube TypeShorty
    Exhaust Port ShapeOval
    Flange StyleStandard
    Primary Tube Diameter1-5/8"
    Material TypeStainless Steel
    ColorNatural
    Weld-UpNo
    Collector Diameter2-1/2 Inch
    FinishRaw
    Hardware IncludedYes
    Gasket(s) IncludedYes
    Collector Reducers IncludedNo
    Collector Attachment TypeStock flange
    GENERAL
    Sold in QuantityPair
    GTIN Code090127739488
    TunedNo
    Crossover Pipe IncludedNo
    Primary Tube Gauge16-gauge
    Gaskets IncludedYes
    Transmission Mount IncludedNo
    Cylinder Head Port ShapeOval
    Catalytic Converter(s) IncludedNo
    Bolts Studs IncludedYes
    Motor Mounts IncludedNo

    Questions & Answers

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    Fitment

    • 6.2 Chevy LT V8

    • 6.2 Chevy LT V8

    • 6.2 Chevy LT V8

    • Chevy LT V8 Gen V 6.2 LT1

    • Chevy LT V8 Gen V 6.2 LT4

    • 5.3 Chevy LT V8

    • 6.2 Chevy LT V8

    • 5.3 Chevy LT V8

    • 6.2 Chevy LT V8

    • 5.3 Chevy LT V8

    • 6.2 Chevy LT V8

    • 5.3 Chevy LT V8

    • 6.2 Chevy LT V8

    • 5.3 Chevy LT V8

    • 6.2 Chevy LT V8

    • 5.3 Chevy LT V8

    • 5.3 Chevy LT V8

    • 5.3 Chevy LT V8

    • 5.3 Chevy LT V8

    • 6.2 Chevy LT V8

    • 5.3 Chevy LT V8

    • 5.3 Chevy LT V8

    • 5.3 Chevy LT V8

    • 5.3 Chevy LT V8

    • 6.2 Chevy LT V8

    • 5.3 Chevy LT V8

    • 5.3 Chevy LT V8

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