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FlowTech Long Tube Header, Black Paint 11130FLT

FlowTech Long Tube Header, Black Paint 11130FLT
FlowTech Long Tube Header, Black Paint 11130FLTFlowTech Long Tube Header, Black Paint 11130FLTFlowTech Long Tube Header, Black Paint 11130FLTFlowTech Long Tube Header, Black Paint 11130FLT
$443.99 ea
NEWARRIVING SOONEstimated Ship Date 11/18/2025 (If Ordered Today)54 Available from HOLLEY PERFORMANCE PRODUCTS as of 10/30/2025
Model: 4005874
Select a Vehicle or refer to the Vehicle Fitment Tab below to verify that this part fits your vehicle.
OVERSIZE 1
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[More Info]
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.
Features:
  • Tuned-length primary tubes for better performance
  • Mandrel-bent tubing for smooth exhaust flow
  • Light weight & sturdy 16 gauge tubing
  • Mandrel-formed Power Plenum collector for low back pressure
  • Sturdy, leak-tested O-Ring port seals
  • Engineered for a precision fit
  • Designed for easy, trouble-free installation
  • Includes all mounting hardware and premium gaskets
  • Works with air conditioning, automatic and manual transmission with floor shifters
Will not work with Powerglide transmissions on Chevelles. Breaking in an engine with ceramic coated headers WILL result in damage to the coating and will VOID all warranties. Ceramic coated headers require several heat cycles to fully cure before they will withstand extreme heat. Flowtech recommends using cast iron exhaust manifolds or old headers to break in new engines to avoid coating damage. Please call Flowtech tech service at 270-781-9741 for additional information regarding ceramic coated exhaust products. The use of header wraps can cause the header tubes to crack or rust due to excessive heat and moisture build-up. Flowtech does not recommend the use of header wraps as this will void the warranty.
Installation Notes:
Will not work with Powerglide transmissions on Chevelles. Breaking in an engine with ceramic coated headers WILL result in damage to the coating and will VOID all warranties. Ceramic coated headers require several heat cycles to fully cure before they will withstand extreme heat. Flowtech recommends using cast iron exhaust manifolds or old headers to break in new engines to avoid coating damage. Please call Flowtech tech service at 270-781-9741 for additional information regarding ceramic coated exhaust products. The use of header wraps can cause the header tubes to crack or rust due to excessive heat and moisture build-up. Flowtech does not recommend the use of header wraps as this will void the warranty.

Downloads:

Download Name File Size
11130-3901fltrev.pdf325.87KB

Vehicle Fitment:

The Vehicle Fitment Guide is to be used as a general reference. The data has been provided by our suppliers and manufacturers and may contain errors or incorrect data. Always refer to a professional to verify correct fitment for your vehicle.
Make Model Years Engine Fitment Notes
Chevrolet Bel Air 1971 7.4L / 454 / V8 Standard Header; Primary Tube Coll. Size 1.75x3 in.; w/o A.I.R. Tubes; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use;
Chevrolet Bel Air 1972 7.4L / 454 / V8 Standard Header; Primary Tube Coll. Size 1.75x3 in.; w/o A.I.R. Tubes; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use;
Chevrolet Bel Air 1973 7.4L / 454 / V8 Standard Header; Primary Tube Coll. Size 1.75x3 in.; w/o A.I.R. Tubes; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use;
Chevrolet Bel Air 1974 7.4L / 454 / V8 Standard Header; Primary Tube Coll. Size 1.75x3 in.; w/o A.I.R. Tubes; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use;
Chevrolet Biscayne 1971 7.4L / 454 / V8 Standard Header; Primary Tube Coll. Size 1.75x3 in.; w/o A.I.R. Tubes; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use;
Chevrolet Biscayne 1972 7.4L / 454 / V8 Standard Header; Primary Tube Coll. Size 1.75x3 in.; w/o A.I.R. Tubes; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use;
Chevrolet Camaro 1970 6.6L / 402 / V8 Standard Header; Primary Tube Coll. Size 1.75x3 in.; w/o A.I.R. Tubes; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use;
Chevrolet Camaro 1971 6.6L / 402 / V8 Standard Header; Primary Tube Coll. Size 1.75x3 in.; w/o A.I.R. Tubes; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use;
Chevrolet Camaro 1972 6.6L / 402 / V8 Standard Header; Primary Tube Coll. Size 1.75x3 in.; w/o A.I.R. Tubes; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use;
Chevrolet Caprice 1971 7.4L / 454 / V8 Standard Header; Primary Tube Coll. Size 1.75x3 in.; w/o A.I.R. Tubes; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use;
Chevrolet Caprice 1972 7.4L / 454 / V8 Standard Header; Primary Tube Coll. Size 1.75x3 in.; w/o A.I.R. Tubes; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use;
Chevrolet Caprice 1973 7.4L / 454 / V8 Standard Header; Primary Tube Coll. Size 1.75x3 in.; w/o A.I.R. Tubes; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use;
Chevrolet Caprice 1974 7.4L / 454 / V8 Standard Header; Primary Tube Coll. Size 1.75x3 in.; w/o A.I.R. Tubes; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use;
Chevrolet Chevelle 1965 6.5L / 396 / V8 Standard Header; Primary Tube Coll. Size 1.75x3 in.; w/o A.I.R. Tubes; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use;
Chevrolet Chevelle 1966 6.5L / 396 / V8 Standard Header; Primary Tube Coll. Size 1.75x3 in.; w/o A.I.R. Tubes; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use;
Chevrolet Chevelle 1967 6.5L / 396 / V8 Standard Header; Primary Tube Coll. Size 1.75x3 in.; w/o A.I.R. Tubes; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use;
Chevrolet Chevelle 1968 6.5L / 396 / V8 Standard Header; Primary Tube Coll. Size 1.75x3 in.; w/o A.I.R. Tubes; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use;
Chevrolet Chevelle 1969 6.5L / 396 / V8 Standard Header; Primary Tube Coll. Size 1.75x3 in.; w/o A.I.R. Tubes; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use;
Chevrolet Chevelle 1970 6.5L / 396 / V8
7.4L / 454 / V8		 Standard Header; Primary Tube Coll. Size 1.75x3 in.; w/o A.I.R. Tubes; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use;
Chevrolet Chevelle 1971 7.4L / 454 / V8 Standard Header; Primary Tube Coll. Size 1.75x3 in.; w/o A.I.R. Tubes; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use;
Chevrolet Chevelle 1972 7.4L / 454 / V8 Standard Header; Primary Tube Coll. Size 1.75x3 in.; w/o A.I.R. Tubes; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use;
Chevrolet Chevelle 1973 7.4L / 454 / V8 Standard Header; Primary Tube Coll. Size 1.75x3 in.; w/o A.I.R. Tubes; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use;
Chevrolet Impala 1971 7.4L / 454 / V8 Standard Header; Primary Tube Coll. Size 1.75x3 in.; w/o A.I.R. Tubes; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use;
Chevrolet Impala 1972 7.4L / 454 / V8 Standard Header; Primary Tube Coll. Size 1.75x3 in.; w/o A.I.R. Tubes; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use;
Chevrolet Impala 1973 7.4L / 454 / V8 Standard Header; Primary Tube Coll. Size 1.75x3 in.; w/o A.I.R. Tubes; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use;
Chevrolet Impala 1974 7.4L / 454 / V8 Standard Header; Primary Tube Coll. Size 1.75x3 in.; w/o A.I.R. Tubes; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use;
Chevrolet Kingswood 1972 7.4L / 454 / V8 Standard Header; Primary Tube Coll. Size 1.75x3 in.; w/o A.I.R. Tubes; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use;
Chevrolet Laguna 1973 7.4L / 454 / V8 Standard Header; Primary Tube Coll. Size 1.75x3 in.; w/o A.I.R. Tubes; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use;
Chevrolet Laguna 1974 7.4L / 454 / V8 Standard Header; Primary Tube Coll. Size 1.75x3 in.; w/o A.I.R. Tubes; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use;
Chevrolet Laguna 1975 7.4L / 454 / V8 Standard Header; Primary Tube Coll. Size 1.75x3 in.; w/o A.I.R. Tubes; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use;
Chevrolet Malibu 1973 7.4L / 454 / V8 Standard Header; Primary Tube Coll. Size 1.75x3 in.; w/o A.I.R. Tubes; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use;
Chevrolet Malibu 1974 7.4L / 454 / V8 Standard Header; Primary Tube Coll. Size 1.75x3 in.; w/o A.I.R. Tubes; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use;
Chevrolet Townsman 1972 7.4L / 454 / V8 Standard Header; Primary Tube Coll. Size 1.75x3 in.; w/o A.I.R. Tubes; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use;

Specifications:

Bolt Size 3/8-16 x 3/4, 3/8-16 x 3/4
CARB (California) Compliant No
Collector Diameter 3.00 inch
Emission Code 4
Engine Big Block Chevy
Header Finish Black Paint
Header Style Long Tube
Part Type Exhaust Header
Primary Tube Dia. 1-3/4 inch
Product Type Headers
Proposition 65 www.P65Warnings.ca.gov
Tube Material Mild Steel

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