Rebate

Flowtech 12542FLT Long Tube Header, Painted, 1.75 Inch Tube Size

Rebate

Flowtech 12542FLT Long Tube Header, Painted, 1.75 Inch Tube Size
Flowtech Exhaust

|

#42512542FLT

Flowtech 12542FLT Long Tube Header, Painted, 1.75 Inch Tube Size

$297.95

/each

Factory Shipped

$331.95

Save $34.00


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Product Summary

Long Tube Header Tube Type, Round Exhaust Port Shape

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    Key Specs

    MFG. Part #12542FLT
    Header Tube TypeLong Tube
    Exhaust Port ShapeRound
    Flange StyleStandard
    Primary Tube Diameter1-3/4"
    See more specs

    Need To Know

    Need help?

    855.313.9176
    View the Help Center

    Quick and Easy Returns

    Return Policy

    Flowtech Exhaust 12542FLT Details

    Flowtech headers are the perfect combination of performance and value. Flowtech long tube headers are precision engineered using mandrel bent tubing, formed collectors and 5/16" flanges with sealing rings for a leak-free seal. All mounting hardware and gaskets are included for a simple installation. This header is coated in a high heat resistant black paint for a stealthy appearance.

    • Fuel Economy From The Engine
    • Leak Test For Max Performance
    • Mandrel-Formed Power Plenum
    • Leakproof O-Ringed Port Seals
    • Include All Mounting Hardware
    • Constructed of .049 cold roll flash mild steel tubing
    • Precision engineered for fit, performance and economy

    Application

    1965 Ford F-100 Pickup
    1966 Ford F-100 Pickup
    1967 Ford F-100 Pickup
    1967 Ford F-250 Pickup
    1968 Ford F-100 Pickup
    1968 Ford F-250 Pickup
    1969 Ford F-100 Pickup
    1969 Ford F-250 Pickup
    1970 Ford F-100 Pickup
    1970 Ford F-250 Pickup
    1971 Ford F-100 Pickup
    1971 Ford F-250 Pickup
    1972 Ford F-100 Pickup
    1972 Ford F-250 Pickup
    1973 Ford F-100 Pickup
    1973 Ford F-250 Pickup
    1974 Ford F-100 Pickup
    1974 Ford F-250 Pickup
    1975 Ford F-100
    1975 Ford F-250
    1976 Ford F-100
    1976 Ford F-250

    Charts

    Rebates

    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 12542FLT Specifications

    KEY SPECS
    MFG. Part #12542FLT
    BrandFlowtech Exhaust
    Header Tube TypeLong Tube
    Exhaust Port ShapeRound
    Flange StyleStandard
    Primary Tube Diameter1-3/4"
    Material TypeSteel
    ColorBlack
    Weld-UpNo
    Collector Diameter3 Inch
    FinishPainted
    Hardware IncludedYes
    Gasket(s) IncludedYes
    GENERAL
    Sold in QuantityPair
    GTIN Code787480125422
    Emission Code3

    Ratings & Reviews

    5

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    I would buy this again!

    5.0

    4 years ago

    F100 FE Friend

    Arp, TX

    Verified

    Exactly what I ordered at a reasonable price

    Would Recommend

    Showing 1 of 1 reviews

    Questions & Answers

    3 Questions • 3 Answers

    Difference between "40" and "42" 's? I have 1974 F250 4wheel drive higher boy.

    by Thanks

    • 9 years ago

    1 answer

    View Answer

    Will these headers fit a 65 f100 with 352?

    by Jordan

    • 9 years ago

    1 answer

    View Answer

    I don't see what motors these fit will they fit my 79 ford f250 7.5l

    by Riley

    • 10 years ago

    1 answer

    View Answer

    3 of 3 questions shown

    Fitment

    • 352 Ford FE V8

    • 352 Ford FE V8

    • 352 Ford FE V8

    • 390 Ford FE V8

    • 352 Ford FE V8

    • 352 Ford FE V8

    • 390 Ford FE V8

    • 352 Ford FE V8

    • 352 Ford FE V8

    • 390 Ford FE V8

    • 390 Ford FE V8

    • 352 Ford FE V8

    • 352 Ford FE V8

    • 390 Ford FE V8

    • 390 Ford FE V8

    • 352 Ford FE V8

    • 352 Ford FE V8

    • 390 Ford FE V8

    • 390 Ford FE V8

    • 352 Ford FE V8

    • 352 Ford FE V8

    • 390 Ford FE V8

    • 352 Ford FE V8

    • 352 Ford FE V8

    • 390 Ford FE V8

    • 390 Ford FE V8

    • 352 Ford FE V8

    • 352 Ford FE V8

    • 360 Ford FE V8

    • 390 Ford FE V8

    • 360 Ford FE V8

    • 390 Ford FE V8

    • 352 Ford FE V8

    • 360 Ford FE V8

    • 390 Ford FE V8

    • 360 Ford FE V8

    • 352 Ford FE V8

    • 360 Ford FE V8

    • 352 Ford FE V8

    • 360 Ford FE V8

    • 390 Ford FE V8

    • 352 Ford FE V8

    • 352 Ford FE V8

    • 390 Ford FE V8

    • 390 Ford FE V8

    • 352 Ford FE V8

    • 390 Ford FE V8

    • 352 Ford FE V8

    • 352 Ford FE V8

    • 390 Ford FE V8

    • 352 Ford FE V8

    • 390 Ford FE V8

    • 390 Ford FE V8

    • 352 Ford FE V8

    • 390 Ford FE V8

    • 390 Ford FE V8

    • 390 Ford FE V8

    • 352 Ford FE V8

    • 352 Ford FE V8

    • 390 Ford FE V8

    • 390 Ford FE V8

    • 352 Ford FE V8

    • 352 Ford FE V8

    • 352 Ford FE V8

    • 390 Ford FE V8

    • 390 Ford FE V8

    • 352 Ford FE V8

    • 352 Ford FE V8

    • 352 Ford FE V8

    • 352 Ford FE V8

    • 390 Ford FE V8

    • 390 Ford FE V8

    • 352 Ford FE V8

    • 390 Ford FE V8

    • 390 Ford FE V8

    • 390 Ford FE V8

    • 352 Ford FE V8

    • 390 Ford FE V8

    • 390 Ford FE V8

    • 390 Ford FE V8

    • 352 Ford FE V8

    • 390 Ford FE V8

    • 390 Ford FE V8

    • 390 Ford FE V8

    • 390 Ford FE V8

    • 390 Ford FE V8

    • 390 Ford FE V8

    • 390 Ford FE V8

    • 352 Ford FE V8

    • 390 Ford FE V8

    • 390 Ford FE V8

    • 390 Ford FE V8

    • 390 Ford FE V8

    • 352 Ford FE V8

    • 390 Ford FE V8

    • 390 Ford FE V8

    • 390 Ford FE V8

    • 390 Ford FE V8

    • 390 Ford FE V8

    Customer Impersonation Script