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FlowTech Long Tube Header, Ceramic Coated 33504FLT

FlowTech Long Tube Header, Ceramic Coated 33504FLT
$1,023.99 ea
NEWARRIVING SOONEstimated Ship Date 01/22/2026 (If Ordered Today)6 Available from HOLLEY PERFORMANCE PRODUCTS as of 01/07/2026
Model: 4006129
Select a Vehicle or refer to the Vehicle Fitment Tab below to verify that this part fits your vehicle.
OVERSIZE 1
STORE PICKUP
[More Info]
FLOWTECH headers are precision engineered and leak tested to get maximum performance from your engine. Each header is formed from specially selected .049 cold roll flash controlled tubing, and features FLOWTECH's exclusive, thick, mandrel-formed Power Plenum collector. All ports are precisely fitted and finished with sturdy, leak-proof O-ringed port seals, and all FLOWTECH headers include all mounting hardware including bolts, nuts and premium gaskets. FLOWTECH headers are available with either a high-quality satin black paint finish or with a specially formulated, NASA-developed silver luster ceramic coating for rust and corrosion resistance.
Features:
  • Improved Exhaust Scavenging for Increased Performance
  • Leak Test For Max Performance
  • Ceramic Headers
  • Rust And Corrosion Resistance
  • Mandrel-Formed Power Plenum
  • Leakproof O-Ringed Port Seals
  • Include All Mounting Hardware
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:
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
13504-3901fltrev.pdf235.73KB

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 Submodel Years Engine Fitment Notes
Dodge D100 Pickup Base 1969 6.3L / 383 / V8 MUST MODIFY STOCK EXHAUST TO RETAIN CAT. CONVERTER; NOT LEGAL FOR STREET USE
Dodge D100 Pickup Base 1970 6.3L / 383 / V8 MUST MODIFY STOCK EXHAUST TO RETAIN CAT. CONVERTER; NOT LEGAL FOR STREET USE
Dodge D100 Pickup Base 1971 6.3L / 383 / V8
6.6L / 400 / V8
5.9L / 360 / V8		 MUST MODIFY STOCK EXHAUST TO RETAIN CAT. CONVERTER; NOT LEGAL FOR STREET USE
Dodge D100 Pickup Base 1972 6.6L / 400 / V8
5.9L / 360 / V8		 MUST MODIFY STOCK EXHAUST TO RETAIN CAT. CONVERTER; NOT LEGAL FOR STREET USE
Dodge D100 Pickup Base 1973 6.6L / 400 / V8
5.9L / 360 / V8
7.2L / 440 / V8		 MUST MODIFY STOCK EXHAUST TO RETAIN CAT. CONVERTER; NOT LEGAL FOR STREET USE
Dodge D100 Pickup Base 1974 6.6L / 400 / V8
5.9L / 360 / V8
7.2L / 440 / V8		 MUST MODIFY STOCK EXHAUST TO RETAIN CAT. CONVERTER; NOT LEGAL FOR STREET USE
Dodge D200 Pickup Base 1969 6.3L / 383 / V8 MUST MODIFY STOCK EXHAUST TO RETAIN CAT. CONVERTER; NOT LEGAL FOR STREET USE
Dodge D200 Pickup Base 1970 6.3L / 383 / V8 MUST MODIFY STOCK EXHAUST TO RETAIN CAT. CONVERTER; NOT LEGAL FOR STREET USE
Dodge D200 Pickup Base 1971 6.3L / 383 / V8
6.6L / 400 / V8
5.9L / 360 / V8		 MUST MODIFY STOCK EXHAUST TO RETAIN CAT. CONVERTER; NOT LEGAL FOR STREET USE
Dodge D200 Pickup Base 1972 6.6L / 400 / V8
5.9L / 360 / V8		 MUST MODIFY STOCK EXHAUST TO RETAIN CAT. CONVERTER; NOT LEGAL FOR STREET USE
Dodge D200 Pickup Base 1973 6.6L / 400 / V8
7.2L / 440 / V8
5.9L / 360 / V8		 MUST MODIFY STOCK EXHAUST TO RETAIN CAT. CONVERTER; NOT LEGAL FOR STREET USE
Dodge D200 Pickup Base 1974 6.6L / 400 / V8
7.2L / 440 / V8
5.9L / 360 / V8		 MUST MODIFY STOCK EXHAUST TO RETAIN CAT. CONVERTER; NOT LEGAL FOR STREET USE
Dodge D300 Pickup Base 1969 6.3L / 383 / V8 MUST MODIFY STOCK EXHAUST TO RETAIN CAT. CONVERTER; NOT LEGAL FOR STREET USE
Dodge D300 Pickup Base 1970 6.3L / 383 / V8 MUST MODIFY STOCK EXHAUST TO RETAIN CAT. CONVERTER; NOT LEGAL FOR STREET USE
Dodge D300 Pickup Base 1971 6.3L / 383 / V8
5.9L / 360 / V8
6.6L / 400 / V8		 MUST MODIFY STOCK EXHAUST TO RETAIN CAT. CONVERTER; NOT LEGAL FOR STREET USE
Dodge D300 Pickup Base 1972 5.9L / 360 / V8
7.2L / 440 / V8
6.6L / 400 / V8		 MUST MODIFY STOCK EXHAUST TO RETAIN CAT. CONVERTER; NOT LEGAL FOR STREET USE
Dodge D300 Pickup Base 1973 5.9L / 360 / V8
7.2L / 440 / V8
6.6L / 400 / V8		 MUST MODIFY STOCK EXHAUST TO RETAIN CAT. CONVERTER; NOT LEGAL FOR STREET USE
Dodge D300 Pickup Base 1974 5.9L / 360 / V8
7.2L / 440 / V8
6.6L / 400 / V8		 MUST MODIFY STOCK EXHAUST TO RETAIN CAT. CONVERTER; NOT LEGAL FOR STREET USE
Dodge W100 Pickup Base 1969 6.3L / 383 / V8 MUST MODIFY STOCK EXHAUST TO RETAIN CAT. CONVERTER; NOT LEGAL FOR STREET USE
Dodge W100 Pickup Base 1970 6.3L / 383 / V8 MUST MODIFY STOCK EXHAUST TO RETAIN CAT. CONVERTER; NOT LEGAL FOR STREET USE
Dodge W100 Pickup Base 1971 6.6L / 400 / V8
6.3L / 383 / V8		 MUST MODIFY STOCK EXHAUST TO RETAIN CAT. CONVERTER; NOT LEGAL FOR STREET USE
Dodge W100 Pickup Base 1972 5.9L / 360 / V8
6.6L / 400 / V8		 MUST MODIFY STOCK EXHAUST TO RETAIN CAT. CONVERTER; NOT LEGAL FOR STREET USE
Dodge W100 Pickup Base 1973 5.9L / 360 / V8
6.6L / 400 / V8
7.2L / 440 / V8		 MUST MODIFY STOCK EXHAUST TO RETAIN CAT. CONVERTER; NOT LEGAL FOR STREET USE
Dodge W100 Pickup Base 1974 5.9L / 360 / V8
6.6L / 400 / V8
7.2L / 440 / V8		 MUST MODIFY STOCK EXHAUST TO RETAIN CAT. CONVERTER; NOT LEGAL FOR STREET USE
Dodge W200 Pickup Base 1969 6.3L / 383 / V8 MUST MODIFY STOCK EXHAUST TO RETAIN CAT. CONVERTER; NOT LEGAL FOR STREET USE
Dodge W200 Pickup Base 1970 6.3L / 383 / V8 MUST MODIFY STOCK EXHAUST TO RETAIN CAT. CONVERTER; NOT LEGAL FOR STREET USE
Dodge W200 Pickup Base 1971 6.6L / 400 / V8
6.3L / 383 / V8
5.9L / 360 / V8		 MUST MODIFY STOCK EXHAUST TO RETAIN CAT. CONVERTER; NOT LEGAL FOR STREET USE
Dodge W200 Pickup Base 1972 6.6L / 400 / V8
5.9L / 360 / V8		 MUST MODIFY STOCK EXHAUST TO RETAIN CAT. CONVERTER; NOT LEGAL FOR STREET USE
Dodge W200 Pickup Base 1973 6.6L / 400 / V8
5.9L / 360 / V8
7.2L / 440 / V8		 MUST MODIFY STOCK EXHAUST TO RETAIN CAT. CONVERTER; NOT LEGAL FOR STREET USE
Dodge W200 Pickup Base 1974 6.6L / 400 / V8
5.9L / 360 / V8
7.2L / 440 / V8		 MUST MODIFY STOCK EXHAUST TO RETAIN CAT. CONVERTER; NOT LEGAL FOR STREET USE
Dodge W300 Pickup Base 1969 6.3L / 383 / V8 MUST MODIFY STOCK EXHAUST TO RETAIN CAT. CONVERTER; NOT LEGAL FOR STREET USE
Dodge W300 Pickup Base 1970 6.3L / 383 / V8 MUST MODIFY STOCK EXHAUST TO RETAIN CAT. CONVERTER; NOT LEGAL FOR STREET USE
Dodge W300 Pickup Base 1971 5.9L / 360 / V8
6.6L / 400 / V8
6.3L / 383 / V8		 MUST MODIFY STOCK EXHAUST TO RETAIN CAT. CONVERTER; NOT LEGAL FOR STREET USE
Dodge W300 Pickup Base 1972 7.2L / 440 / V8
5.9L / 360 / V8
6.6L / 400 / V8		 MUST MODIFY STOCK EXHAUST TO RETAIN CAT. CONVERTER; NOT LEGAL FOR STREET USE
Dodge W300 Pickup Base 1973 7.2L / 440 / V8
5.9L / 360 / V8
6.6L / 400 / V8		 MUST MODIFY STOCK EXHAUST TO RETAIN CAT. CONVERTER; NOT LEGAL FOR STREET USE
Dodge W300 Pickup Base 1974 7.2L / 440 / V8
5.9L / 360 / V8
6.6L / 400 / V8		 MUST MODIFY STOCK EXHAUST TO RETAIN CAT. CONVERTER; NOT LEGAL FOR STREET USE
Plymouth Trailduster Base 1974 7.2L / 440 / V8
5.9L / 360 / V8		 MUST MODIFY STOCK EXHAUST 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 Chrysler Big Block B/RB
Header Finish Silver Ceramic
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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