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FlowTech Turbo Header 12165FLT

FlowTech Turbo Header 12165FLT
FlowTech Turbo Header 12165FLTFlowTech Turbo Header 12165FLTFlowTech Turbo Header 12165FLTFlowTech Turbo Header 12165FLTFlowTech Turbo Header 12165FLTFlowTech Turbo Header 12165FLT
$481.99 ea
NEWARRIVING SOONEstimated Ship Date 10/25/2023 (If Ordered Today)29 available from HOLLEY PERFORMANCE PRODUCTS as of 10/03/2023
Model: 4006012
Select a Vehicle or refer to the Vehicle Fitment Tab below to verify that this part fits your vehicle.
STANDARD
DELIVERY
Flowtech Exhaust products are the perfect combination of quality and value. We are proud to offer these 1-3/4" and 1-7/8" Universal Turbo Headers for Small Block Ford engines. These down and forward headers are available in ceramic coated mild steel, natural 304 stainless steel, and polished 304 stainless steel.
Features:
  • Universal Down And Forward
  • 3/8 in. Thick Header Flanges For A Leak-Free Seal
  • 3 in. V-Band Flanges and Clamps Included
Holley Performance Emission Code 4: This part is legal for sale or use on Racing Use Only Vehicles. The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street. WARNING: It is against the law to install this part on an Emissions Controlled Vehicle
About FlowTech

Flowtech Performance Exhaust was founded in 1994, by exhaust market expert Gary Biggs, with the mission of delivering high quality performance exhaust at a great value. The mission was successful and in less than two decades Flowtech became the leader in value priced exhaust systems.

Flowtech cornered its place in the market with aggressive and memorable product names such as Raptor™, Terminator™, Afterburner™ and Warlock™. Flowtech even revived some names from back in the day like Purple Hornies™.

Flowtech made its mark with simple yet effective improvements like slotted port flanges giving added wiggle room during header installation. They dimpled their tubes at the port to make more room for the header bolts and they parallel ground their flanges to assure a tight seal. Flowtech innovations include their unique Afterburner headers which separated the odd firing cylinders with a velocity tube to improve scavenging. Their patented Warlock bypass muffler won the SEMA best new product award for its revolutionary open or closed design in 1996.

When Flowtech became part of Holley Performance Products in 1999, the company continued to focus on value, with an emphasis on late model cars and trucks. Headers and exhaust systems were developed for Mustangs, Camaros, and all types of full size trucks - including diesels. The same innovation continues today with the addition of universal X-pipe kits and X-pipe kits with built in cut-outs. Continuous product updates and improvements to manufacturing processes will keep Flowtech the leader in value priced exhaust systems. We hope you enjoy your Flowtech product as much as we enjoy building it!

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
Ford Mustang II Base 1975 5.0L / 302 / V8 1.75 in. Primary Tubing; 3.0 in. Collector Size; Down and Forward; Mild Steel; Polished Finish; Incl. Header Gaskets/Bolts;Intended For Race Use Only
Ford Mustang II Base 1976 5.0L / 302 / V8 1.75 in. Primary Tubing; 3.0 in. Collector Size; Down and Forward; Mild Steel; Polished Finish; Incl. Header Gaskets/Bolts;Intended For Race Use Only
Ford Mustang II Base 1977 5.0L / 302 / V8 1.75 in. Primary Tubing; 3.0 in. Collector Size; Down and Forward; Mild Steel; Polished Finish; Incl. Header Gaskets/Bolts;Intended For Race Use Only
Ford Mustang II Base 1978 5.0L / 302 / V8 1.75 in. Primary Tubing; 3.0 in. Collector Size; Down and Forward; Mild Steel; Polished Finish; Incl. Header Gaskets/Bolts;Intended For Race Use Only
Ford Mustang II Ghia 1975 5.0L / 302 / V8 1.75 in. Primary Tubing; 3.0 in. Collector Size; Down and Forward; Mild Steel; Polished Finish; Incl. Header Gaskets/Bolts;Intended For Race Use Only
Ford Mustang II Ghia 1976 5.0L / 302 / V8 1.75 in. Primary Tubing; 3.0 in. Collector Size; Down and Forward; Mild Steel; Polished Finish; Incl. Header Gaskets/Bolts;Intended For Race Use Only
Ford Mustang II Ghia 1977 5.0L / 302 / V8 1.75 in. Primary Tubing; 3.0 in. Collector Size; Down and Forward; Mild Steel; Polished Finish; Incl. Header Gaskets/Bolts;Intended For Race Use Only
Ford Mustang II Ghia 1978 5.0L / 302 / V8 1.75 in. Primary Tubing; 3.0 in. Collector Size; Down and Forward; Mild Steel; Polished Finish; Incl. Header Gaskets/Bolts;Intended For Race Use Only
Ford Mustang II Mach 1 1975 5.0L / 302 / V8 1.75 in. Primary Tubing; 3.0 in. Collector Size; Down and Forward; Mild Steel; Polished Finish; Incl. Header Gaskets/Bolts;Intended For Race Use Only
Ford Mustang II Mach 1 1976 5.0L / 302 / V8 1.75 in. Primary Tubing; 3.0 in. Collector Size; Down and Forward; Mild Steel; Polished Finish; Incl. Header Gaskets/Bolts;Intended For Race Use Only
Ford Mustang II Mach 1 1977 5.0L / 302 / V8 1.75 in. Primary Tubing; 3.0 in. Collector Size; Down and Forward; Mild Steel; Polished Finish; Incl. Header Gaskets/Bolts;Intended For Race Use Only
Ford Mustang II Mach 1 1978 5.0L / 302 / V8 1.75 in. Primary Tubing; 3.0 in. Collector Size; Down and Forward; Mild Steel; Polished Finish; Incl. Header Gaskets/Bolts;Intended For Race Use Only
Ford Mustang Base 1965 4.7L / 289 / V8
4.3L / 260 / V8
1.75 in. Primary Tubing; 3.0 in. Collector Size; Down and Forward; Mild Steel; Polished Finish; Incl. Header Gaskets/Bolts;Intended For Race Use Only
Ford Mustang Base 1966 4.7L / 289 / V8 1.75 in. Primary Tubing; 3.0 in. Collector Size; Down and Forward; Mild Steel; Polished Finish; Incl. Header Gaskets/Bolts;Intended For Race Use Only
Ford Mustang Base 1967 4.7L / 289 / V8 1.75 in. Primary Tubing; 3.0 in. Collector Size; Down and Forward; Mild Steel; Polished Finish; Incl. Header Gaskets/Bolts;Intended For Race Use Only
Ford Mustang Base 1968 4.7L / 289 / V8
5.0L / 302 / V8
1.75 in. Primary Tubing; 3.0 in. Collector Size; Down and Forward; Mild Steel; Polished Finish; Incl. Header Gaskets/Bolts;Intended For Race Use Only
Ford Mustang Base 1969 5.0L / 302 / V8 1.75 in. Primary Tubing; 3.0 in. Collector Size; Down and Forward; Mild Steel; Polished Finish; Incl. Header Gaskets/Bolts;Intended For Race Use Only
Ford Mustang Base 1970 5.0L / 302 / V8 1.75 in. Primary Tubing; 3.0 in. Collector Size; Down and Forward; Mild Steel; Polished Finish; Incl. Header Gaskets/Bolts;Intended For Race Use Only
Ford Mustang Base 1971 5.0L / 302 / V8 1.75 in. Primary Tubing; 3.0 in. Collector Size; Down and Forward; Mild Steel; Polished Finish; Incl. Header Gaskets/Bolts;Intended For Race Use Only
Ford Mustang Base 1972 5.0L / 302 / V8 1.75 in. Primary Tubing; 3.0 in. Collector Size; Down and Forward; Mild Steel; Polished Finish; Incl. Header Gaskets/Bolts;Intended For Race Use Only
Ford Mustang GT-350 20th Anniversary 1984 5.0L / 302 / V8 1.75 in. Primary Tubing; 3.0 in. Collector Size; Down and Forward; Mild Steel; Polished Finish; Incl. Header Gaskets/Bolts;Intended For Race Use Only
Ford Mustang GT 1983 5.0L / 302 / V8 1.75 in. Primary Tubing; 3.0 in. Collector Size; Down and Forward; Mild Steel; Polished Finish; Incl. Header Gaskets/Bolts;Intended For Race Use Only
Ford Mustang GT 1984 5.0L / 302 / V8 1.75 in. Primary Tubing; 3.0 in. Collector Size; Down and Forward; Mild Steel; Polished Finish; Incl. Header Gaskets/Bolts;Intended For Race Use Only
Ford Mustang GT 1985 5.0L / 302 / V8 1.75 in. Primary Tubing; 3.0 in. Collector Size; Down and Forward; Mild Steel; Polished Finish; Incl. Header Gaskets/Bolts;Intended For Race Use Only
Ford Mustang Grande 1970 5.0L / 302 / V8 1.75 in. Primary Tubing; 3.0 in. Collector Size; Down and Forward; Mild Steel; Polished Finish; Incl. Header Gaskets/Bolts;Intended For Race Use Only
Ford Mustang Grande 1971 5.0L / 302 / V8 1.75 in. Primary Tubing; 3.0 in. Collector Size; Down and Forward; Mild Steel; Polished Finish; Incl. Header Gaskets/Bolts;Intended For Race Use Only
Ford Mustang Grande 1972 5.0L / 302 / V8 1.75 in. Primary Tubing; 3.0 in. Collector Size; Down and Forward; Mild Steel; Polished Finish; Incl. Header Gaskets/Bolts;Intended For Race Use Only
Ford Mustang LX 1984 5.0L / 302 / V8 1.75 in. Primary Tubing; 3.0 in. Collector Size; Down and Forward; Mild Steel; Polished Finish; Incl. Header Gaskets/Bolts;Intended For Race Use Only
Ford Mustang L 1984 5.0L / 302 / V8 1.75 in. Primary Tubing; 3.0 in. Collector Size; Down and Forward; Mild Steel; Polished Finish; Incl. Header Gaskets/Bolts;Intended For Race Use Only
Ford Mustang Mach 1 1970 5.0L / 302 / V8 1.75 in. Primary Tubing; 3.0 in. Collector Size; Down and Forward; Mild Steel; Polished Finish; Incl. Header Gaskets/Bolts;Intended For Race Use Only
Ford Mustang Mach 1 1971 5.0L / 302 / V8 1.75 in. Primary Tubing; 3.0 in. Collector Size; Down and Forward; Mild Steel; Polished Finish; Incl. Header Gaskets/Bolts;Intended For Race Use Only
Ford Mustang Mach 1 1972 5.0L / 302 / V8 1.75 in. Primary Tubing; 3.0 in. Collector Size; Down and Forward; Mild Steel; Polished Finish; Incl. Header Gaskets/Bolts;Intended For Race Use Only
Ford Mustang Shelby GT-350H 1966 4.7L / 289 / V8 1.75 in. Primary Tubing; 3.0 in. Collector Size; Down and Forward; Mild Steel; Polished Finish; Incl. Header Gaskets/Bolts;Intended For Race Use Only
Ford Mustang Shelby GT-350 1965 4.7L / 289 / V8 1.75 in. Primary Tubing; 3.0 in. Collector Size; Down and Forward; Mild Steel; Polished Finish; Incl. Header Gaskets/Bolts;Intended For Race Use Only
Ford Mustang Shelby GT-350 1966 4.7L / 289 / V8 1.75 in. Primary Tubing; 3.0 in. Collector Size; Down and Forward; Mild Steel; Polished Finish; Incl. Header Gaskets/Bolts;Intended For Race Use Only
Ford Mustang Shelby GT-350 1967 4.7L / 289 / V8 1.75 in. Primary Tubing; 3.0 in. Collector Size; Down and Forward; Mild Steel; Polished Finish; Incl. Header Gaskets/Bolts;Intended For Race Use Only
Ford Mustang Shelby GT-350 1968 5.0L / 302 / V8 1.75 in. Primary Tubing; 3.0 in. Collector Size; Down and Forward; Mild Steel; Polished Finish; Incl. Header Gaskets/Bolts;Intended For Race Use Only
Ford Mustang 1964 4.7L / 289 / V8
4.3L / 260 / V8
1.75 in. Primary Tubing; 3.0 in. Collector Size; Down and Forward; Mild Steel; Polished Finish; Incl. Header Gaskets/Bolts;Intended For Race Use Only
Ford Mustang 1973 5.0L / 302 / V8 1.75 in. Primary Tubing; 3.0 in. Collector Size; Down and Forward; Mild Steel; Polished Finish; Incl. Header Gaskets/Bolts;Intended For Race Use Only
Ford Mustang 1979 5.0L / 302 / V8 1.75 in. Primary Tubing; 3.0 in. Collector Size; Down and Forward; Mild Steel; Polished Finish; Incl. Header Gaskets/Bolts;Intended For Race Use Only
Mercury Capri RS 1982 5.0L / 302 / V8 1.75 in. Primary Tubing; 3.0 in. Collector Size; Down and Forward; Mild Steel; Polished Finish; Incl. Header Gaskets/Bolts;Intended For Race Use Only
Mercury Capri RS 1983 5.0L / 302 / V8 1.75 in. Primary Tubing; 3.0 in. Collector Size; Down and Forward; Mild Steel; Polished Finish; Incl. Header Gaskets/Bolts;Intended For Race Use Only
Mercury Capri RS 1984 5.0L / 302 / V8 1.75 in. Primary Tubing; 3.0 in. Collector Size; Down and Forward; Mild Steel; Polished Finish; Incl. Header Gaskets/Bolts;Intended For Race Use Only
Mercury Capri RS 1985 5.0L / 302 / V8 1.75 in. Primary Tubing; 3.0 in. Collector Size; Down and Forward; Mild Steel; Polished Finish; Incl. Header Gaskets/Bolts;Intended For Race Use Only
Mercury Capri 1966 4.7L / 289 / V8 1.75 in. Primary Tubing; 3.0 in. Collector Size; Down and Forward; Mild Steel; Polished Finish; Incl. Header Gaskets/Bolts;Intended For Race Use Only
Mercury Capri 1967 4.7L / 289 / V8 1.75 in. Primary Tubing; 3.0 in. Collector Size; Down and Forward; Mild Steel; Polished Finish; Incl. Header Gaskets/Bolts;Intended For Race Use Only
Mercury Capri 1979 5.0L / 302 / V8 1.75 in. Primary Tubing; 3.0 in. Collector Size; Down and Forward; Mild Steel; Polished Finish; Incl. Header Gaskets/Bolts;Intended For Race Use Only
Mercury Cougar Base 1969 5.0L / 302 / V8 1.75 in. Primary Tubing; 3.0 in. Collector Size; Down and Forward; Mild Steel; Polished Finish; Incl. Header Gaskets/Bolts;Intended For Race Use Only
Mercury Cougar Base 1977 5.0L / 302 / V8 1.75 in. Primary Tubing; 3.0 in. Collector Size; Down and Forward; Mild Steel; Polished Finish; Incl. Header Gaskets/Bolts;Intended For Race Use Only
Mercury Cougar Base 1984 5.0L / 302 / V8 1.75 in. Primary Tubing; 3.0 in. Collector Size; Down and Forward; Mild Steel; Polished Finish; Incl. Header Gaskets/Bolts;Intended For Race Use Only
Mercury Cougar Base 1985 5.0L / 302 / V8 1.75 in. Primary Tubing; 3.0 in. Collector Size; Down and Forward; Mild Steel; Polished Finish; Incl. Header Gaskets/Bolts;Intended For Race Use Only
Mercury Cougar Base 1986 5.0L / 302 / V8 1.75 in. Primary Tubing; 3.0 in. Collector Size; Down and Forward; Mild Steel; Polished Finish; Incl. Header Gaskets/Bolts;Intended For Race Use Only
Mercury Cougar Brougham 1977 5.0L / 302 / V8 1.75 in. Primary Tubing; 3.0 in. Collector Size; Down and Forward; Mild Steel; Polished Finish; Incl. Header Gaskets/Bolts;Intended For Race Use Only
Mercury Cougar LS 1984 5.0L / 302 / V8 1.75 in. Primary Tubing; 3.0 in. Collector Size; Down and Forward; Mild Steel; Polished Finish; Incl. Header Gaskets/Bolts;Intended For Race Use Only
Mercury Cougar LS 1985 5.0L / 302 / V8 1.75 in. Primary Tubing; 3.0 in. Collector Size; Down and Forward; Mild Steel; Polished Finish; Incl. Header Gaskets/Bolts;Intended For Race Use Only
Mercury Cougar LS 1986 5.0L / 302 / V8 1.75 in. Primary Tubing; 3.0 in. Collector Size; Down and Forward; Mild Steel; Polished Finish; Incl. Header Gaskets/Bolts;Intended For Race Use Only
Mercury Cougar XR-7 1969 5.0L / 302 / V8 1.75 in. Primary Tubing; 3.0 in. Collector Size; Down and Forward; Mild Steel; Polished Finish; Incl. Header Gaskets/Bolts;Intended For Race Use Only
Mercury Cougar XR-7 1977 5.0L / 302 / V8 1.75 in. Primary Tubing; 3.0 in. Collector Size; Down and Forward; Mild Steel; Polished Finish; Incl. Header Gaskets/Bolts;Intended For Race Use Only
Mercury Cougar XR-7 1981 5.0L / 302 / V8 1.75 in. Primary Tubing; 3.0 in. Collector Size; Down and Forward; Mild Steel; Polished Finish; Incl. Header Gaskets/Bolts;Intended For Race Use Only
Mercury Cougar 1967 4.7L / 289 / V8 1.75 in. Primary Tubing; 3.0 in. Collector Size; Down and Forward; Mild Steel; Polished Finish; Incl. Header Gaskets/Bolts;Intended For Race Use Only
Mercury Cougar 1968 4.7L / 289 / V8
5.0L / 302 / V8
1.75 in. Primary Tubing; 3.0 in. Collector Size; Down and Forward; Mild Steel; Polished Finish; Incl. Header Gaskets/Bolts;Intended For Race Use Only
Mercury Cougar 1978 5.0L / 302 / V8 1.75 in. Primary Tubing; 3.0 in. Collector Size; Down and Forward; Mild Steel; Polished Finish; Incl. Header Gaskets/Bolts;Intended For Race Use Only
Mercury Cougar 1979 5.0L / 302 / V8 1.75 in. Primary Tubing; 3.0 in. Collector Size; Down and Forward; Mild Steel; Polished Finish; Incl. Header Gaskets/Bolts;Intended For Race Use Only
Mercury Cougar 1980 5.0L / 302 / V8 1.75 in. Primary Tubing; 3.0 in. Collector Size; Down and Forward; Mild Steel; Polished Finish; Incl. Header Gaskets/Bolts;Intended For Race Use Only
Mercury Cougar 1983 5.0L / 302 / V8 1.75 in. Primary Tubing; 3.0 in. Collector Size; Down and Forward; Mild Steel; Polished Finish; Incl. Header Gaskets/Bolts;Intended For Race Use Only
Mercury Cougar 1987 5.0L / 302 / V8 1.75 in. Primary Tubing; 3.0 in. Collector Size; Down and Forward; Mild Steel; Polished Finish; Incl. Header Gaskets/Bolts;Intended For Race Use Only
Mercury Cougar 1988 5.0L / 302 / V8 1.75 in. Primary Tubing; 3.0 in. Collector Size; Down and Forward; Mild Steel; Polished Finish; Incl. Header Gaskets/Bolts;Intended For Race Use Only

Specifications:

Application Automotive
Coated Finish Polished
Collector Diameter 3.000 in.
Collector Tube Size 3.000 in.
Emission Code 4
Engine Small Block Ford
Engine Make/Size Ford Small Block
Finish Natural
Header Finish Natural
Header Style Turbo
Material Mild Steel
Part Type Exhaust Header
Port Shape Round
Primary Tube Dia. 1-3/4 inch
Primary Tube Diameter 1.750 in.
Tube Diameter 1.750 in.
Tube Direction Down Swept
Tube Material 304 Stainless Steel
WARNING CA Proposition 65 WARNING: Cancer and Reproductive Harm

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FlowTech Turbo Header 12165FLT:
Mustang Depot 2023