1991 GMC R3500 FlowTech Parts

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8 Cyl 5.7L

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1991 GMC R3500 Exhaust Header 8 Cyl 5.7L FlowTech

1.5 in. Primary Tubing; 3 in. Collector Size; Mild Steel; Black Painted Finish; Gaskets; Hardware;Intended For Race Use Only May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Req. A/C Bracket PN[10042FLT]~w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange
Long Tube Headers; 1.5 in. Primary Tubing; 3 in. Collector Size; Mild Steel; Black Painted Finish; Gaskets; Hardware;
Long Tube Headers
Product Attributes:
- Tube Diameter: 1.500 In.
- Primary Tube Diameter: 1.500 In.
- WARNING CA Proposition 65: Yes
- Application: Automotive
- WARNING CA Proposition 65 Message: Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov
- Coated Finish: Painted
- Port Shape: Round
- Engine Make/Size: Chevy Small Block (262-400)
- Tube Direction: Down Swept
Features:
- Fuel Economy From The Engine
- Leak Test For Max Performance
- Mandrel-Formed Power Plenum
- Leak-proof O-Ringed Port Seals
- Include All Mounting Hardware
- Precision Engineered For Fit
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.

Additional Fitment Information:

Vehicle	Block	CC	Engine	Body	CID
1991 - GMC R3500	V	-	8 Cyl 5.7L	Crew Cab Pickup	350

1991 GMC R3500 Exhaust Header 8 Cyl 5.7L FlowTech

1.5 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Req. A/C Bracket PN[10042FLT]~Must Modify Stock Exhaust To Retain Cat. Converter
Ceramic Header; 1.5 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;
Ceramic Header
Product Attributes:
- Tube Diameter: 1.500 In.
- Primary Tube Diameter: 1.500 In.
- WARNING CA Proposition 65: Yes
- Application: Automotive
- WARNING CA Proposition 65 Message: Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov
- Coated Finish: Metallic Ceramic
- Port Shape: Round
- Engine Make/Size: Chevy Small Block (262-400)
- Tube Direction: Down Swept
Features:
- Fuel Economy From The Engine
- Leak Test For Max Performance
- Ceramic Headers
- Rust And Corrosion Resistance
- Mandrel-Formed Power Plenum
- Leak-proof O-Ringed Port Seals
- Include All Mounting Hardware
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 and corrosion resistant metallic ceramic thermal coating that increases exhaust velocity and reduces underhood temps for increased performance.