Product Summary

Chassis Header Tube Type, Oval Exhaust Port Shape

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    Key Specs

    MFG. Part #91013235S
    Header Tube TypeChassis
    Exhaust Port ShapeOval
    Flange StyleStandard
    Primary Tube Diameter1-5/8"
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    Need To Know

    Quick and Easy Returns

    Return Policy

    Speedway Motors 91013235S Details

    • For "ProFour" tube chassis
    • Goes through firewall if used on production chassis
    • High velocity 1-5/8" to 1-3/4" stepped primary with 3" collector
    • Stainless Steel
    • Includes gaskets and header bolts
    • Sold Individually

    Note: Stainless header tubing when exposed to exhaust temperature will cause the finish to change color which will vary with the exhaust temperature. Please note that the finish of the header when the engine is started, will change to a light champagne color to a darker gold finish and in some instance may even turn dark blue or purple. This can be polished back out when utilizing Blue-away or Simi-chrome polish, but please note that when the headers reach running temperature again, they will immediately change color. 

    Guides & Documents

    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.

    Speedway Motors 91013235S Specifications

    KEY SPECS
    MFG. Part #91013235S
    BrandSpeedway Motors
    Header Tube TypeChassis
    Exhaust Port ShapeOval
    Flange StyleStandard
    Primary Tube Diameter1-5/8"
    Material TypeStainless Steel
    ColorNatural
    Weld-UpNo
    Collector Diameter3 Inch
    FinishPolished
    Hardware IncludedYes
    Gasket(s) IncludedYes
    Collector Reducers IncludedNo
    Collector Attachment TypeSlip fit
    GENERAL
    Sold in QuantityEach
    Collector Length7.25"
    Flange Thickness0.38"
    Port Height1.67"
    Port Width1.45"
    Header Dimension A8.10"
    Header Dimension B11.10"
    Header Dimension C28.00"

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    Great fit

    4.0

    5 years ago

    The Cruzer

    Tacoma WA

    Verified

    Fit great & looks great

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