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Flowtech 11500

Long Tube Headers

Flowtech 11500

387-11500

Flowtech 11500 Long Tube Headers $152.95
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Estimated ship date 11/13/17 if Ordered Today
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Hedman Standard Duty Uncoated Full Length Headers for 1967-91 Chevy/GMC Truck, Blazer/Jimmy, Suburban, Van
Hedman 500-69090
$197.99
View Details
Long Tube Headers
  • Chevy 283-400
  • 1966-87 Chevy/GMC 1/2, 3/4 & 1-Ton 2WD/4WD
  • 1966-91 Blazer/Jimmy K5, Suburban 4WD
  • 1967-87 Chevy Blazer & GMC Jimmy 2WD
  • 1988-91 Chevy/GMC 1-Ton Crew Cab 2WD/4WD
  • 1.5'' Tube
  • 3'' Collector
  • Painted Black

  • Flowtech 11500 Details

    GM Truck/SUV

  • For emissions A.I.R. Injection Tubes use part number 387-11500S
  • Must modify stock exhaust to retain catalytic converters
  • Installation Requires A/C Bracket 387-10042
  • Applications with oxygen sensors use reducers 387-10110 for 3'' three bolt flange
  • Pre-1970 Models w/Exhaust Manifold Mounted Alt./Gen. Use Bracket 387-10031
  • May require clutch linkage modifications
  • On 1983-84 4WD, it is necessary to remove the rubber stopper below the starter
  • On 1988-91 1-Ton Crew Cab Pickup, only fits C30 chassis
  • Will not fit angle plug heads

  • Specifications:

    Manufacturer's Part Number:
    11500

    Performance Plus Fuel Economy at a Price You Can Afford!

    These headers are made of 16-gauge tubing that's welded to O-ring port exhaust flanges on one end and mandrel-formed collectors on the other. You get a premium performance-minded design with a budget-minded attitude!




    Features
  • 16-gauge (.049" thick) cold-rolled mild steel (except stainless steel were noted)
  • Precision engineered for performance, fuel economy, and fit
  • Mandrel-formed plenum increases flow for more power
  • Leakproof O-ring port seals quality tested by FlowTech
  • Finished with black paint or ceramic coating, polished available for some applications

  • 11500 - FlowTech Headers is rated 5.0 out of 5 by 2.
    Rated 5 out of 5 by from Excellence in delivery. Flowtech headers Easy installation! Flowtech kit comes with everything except power steering mount header bolt!
    Date published: 2015-06-04
    • y_2017, m_10, d_18, h_21
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