Flowtech Shorty Headers 1988-1995 Chevy GMC Pickup SUV 5.0L 5.7L 50-State Legal
387-91831-1

Items You Need
Chevy/GMC
Features:
- This is a 50-State Legal header C.A.R.B. EO #D-115-16.
- Sturdy 16-gauge tubing
- Extra thick 3/8” flanges for a leak-free seal
- Designed as a direct fit replacement for OEM exhaust manifolds
- Will accommodate all emission control devices
- Bolts directly to factory head pipe
- Complete with premium gaskets and hardware

Specifications:
Flowtech's Shorty Truck Headers are the perfect starting point to customize your 2WD or 4WD vehicle! Simply remove the restrictive factory exhaust manifolds and bolt these headers in their place. Shorty headers will bolt directly to your factory or OE-style exhaust, giving you more power and better fuel economy. Mandrel-bent 16-gauge steel tubes along with extra thick 3/8 in. exhaust flanges provide a reliable header with a leak-free seal. These headers connect to all factory emissions equipment and include necessary hardware and gaskets for installation. FeaturesQuality Meets Value
Does Flowtech 91831-1 fit your vehicle?
1994 GMC C1500
- Liter: 5
- SubModel: SIERRA SL
- Aspiration: NATURALLY ASPIRATED
- Fitment Notes: 1.5 in. Primary Tubing; 2.5 in. Collector Size; Mild Steel; w/AIR; Silver Metallic Ceramic Finish; Gaskets; Hardware;CARB E.O. D-115-16; Fits Where Drivers Side Manifold Has Its Exit Rear Of The Rear Exhaust Port~Stock Replacement; Bolts Directly To Factory Headpipes
- CUI: 305
- Engine Type: V8 ( 5L / 305 )
- Engine Vin: H
1994 CHEVROLET K2500
- Liter: 5
- SubModel: BASE
- Aspiration: NATURALLY ASPIRATED
- Fitment Notes: 1.5 in. Primary Tubing; 2.5 in. Collector Size; Mild Steel; w/AIR; Silver Metallic Ceramic Finish; Gaskets; Hardware;CARB E.O. D-115-16; Fits Where Drivers Side Manifold Has Its Exit Rear Of The Rear Exhaust Port~ Stock Replacement; Bolts Directly To Factory Headpipes~ This part is legal for sale and use on Emissions Controlled Vehicles when used in accordance with the manufacturers application guide because it has a California Air Resources Board [CARB] Executive Order [EO] number~ The following vehicles are considered Emissions Controlled Vehicles: 1966 and newer U.S. manufactured California Certified vehicles; 1968 and newer U.S. manufactured Federally Certified vehicles; 1968 and newer Foreign manufactured vehicle
- CUI: 305
- Engine Type: V8 ( 5L / 305 )
- Engine Vin: H
1995 GMC C2500
- Liter: 5
- SubModel: SIERRA SL
- Aspiration: NATURALLY ASPIRATED
- Fitment Notes: 1.5 in. Primary Tubing; 2.5 in. Collector Size; Mild Steel; w/AIR; Silver Metallic Ceramic Finish; Gaskets; Hardware;CARB E.O. D-115-16; Fits Where Drivers Side Manifold Has Its Exit Rear Of The Rear Exhaust Port~ Stock Replacement; Bolts Directly To Factory Headpipes~ This part is legal for sale and use on Emissions Controlled Vehicles when used in accordance with the manufacturers application guide because it has a California Air Resources Board [CARB] Executive Order [EO] number~ The following vehicles are considered Emissions Controlled Vehicles: 1966 and newer U.S. manufactured California Certified vehicles; 1968 and newer U.S. manufactured Federally Certified vehicles; 1968 and newer Foreign manufactured vehicle
- CUI: 305
- Engine Type: V8 ( 5L / 305 )
- Engine Vin: H
1995 CHEVROLET C2500
- Liter: 5.7
- SubModel: CUSTOM
- Aspiration: NATURALLY ASPIRATED
- Fitment Notes: 1.5 in. Primary Tubing; 2.5 in. Collector Size; Mild Steel; w/AIR; Silver Metallic Ceramic Finish; Gaskets; Hardware;CARB E.O. D-115-16; Fits Where Drivers Side Manifold Has Its Exit Rear Of The Rear Exhaust Port~ Stock Replacement; Bolts Directly To Factory Headpipes~ This part is legal for sale and use on Emissions Controlled Vehicles when used in accordance with the manufacturers application guide because it has a California Air Resources Board [CARB] Executive Order [EO] number~ The following vehicles are considered Emissions Controlled Vehicles: 1966 and newer U.S. manufactured California Certified vehicles; 1968 and newer U.S. manufactured Federally Certified vehicles; 1968 and newer Foreign manufactured vehicle
- CUI: 350
- Engine Type: V8 ( 5.7L / 350 )
- Engine Vin: -
1993 CHEVROLET C1500
- Liter: 5.7
- SubModel: SILVERADO
- Aspiration: NATURALLY ASPIRATED
- Fitment Notes: 1.5 in. Primary Tubing; 2.5 in. Collector Size; Mild Steel; w/AIR; Silver Metallic Ceramic Finish; Gaskets; Hardware;CARB E.O. D-115-16; Fits Where Drivers Side Manifold Has Its Exit Rear Of The Rear Exhaust Port~Stock Replacement; Bolts Directly To Factory Headpipes
- CUI: 350
- Engine Type: V8 ( 5.7L / 350 )
- Engine Vin: K
1993 CHEVROLET K2500 SUBURBAN
- Liter: 5.7
- SubModel: SILVERADO
- Aspiration: NATURALLY ASPIRATED
- Fitment Notes: 1.5 in. Primary Tubing; 2.5 in. Collector Size; Mild Steel; w/AIR; Silver Metallic Ceramic Finish; Gaskets; Hardware;CARB E.O. D-115-16; Fits Where Drivers Side Manifold Has Its Exit Rear Of The Rear Exhaust Port~ Stock Replacement; Bolts Directly To Factory Headpipes~ This part is legal for sale and use on Emissions Controlled Vehicles when used in accordance with the manufacturers application guide because it has a California Air Resources Board [CARB] Executive Order [EO] number~ The following vehicles are considered Emissions Controlled Vehicles: 1966 and newer U.S. manufactured California Certified vehicles; 1968 and newer U.S. manufactured Federally Certified vehicles; 1968 and newer Foreign manufactured vehicle
- CUI: 350
- Engine Type: V8 ( 5.7L / 350 )
- Engine Vin: K
1993 GMC K2500
- Liter: 5.7
- SubModel: SIERRA SLE
- Aspiration: NATURALLY ASPIRATED
- Fitment Notes: 1.5 in. Primary Tubing; 2.5 in. Collector Size; Mild Steel; w/AIR; Silver Metallic Ceramic Finish; Gaskets; Hardware;CARB E.O. D-115-16; Fits Where Drivers Side Manifold Has Its Exit Rear Of The Rear Exhaust Port~ Stock Replacement; Bolts Directly To Factory Headpipes~ This part is legal for sale and use on Emissions Controlled Vehicles when used in accordance with the manufacturers application guide because it has a California Air Resources Board [CARB] Executive Order [EO] number~ The following vehicles are considered Emissions Controlled Vehicles: 1966 and newer U.S. manufactured California Certified vehicles; 1968 and newer U.S. manufactured Federally Certified vehicles; 1968 and newer Foreign manufactured vehicle
- CUI: 350
- Engine Type: V8 ( 5.7L / 350 )
- Engine Vin: K
1993 CHEVROLET K1500
- Liter: 5
- SubModel: SILVERADO
- Aspiration: NATURALLY ASPIRATED
- Fitment Notes: 1.5 in. Primary Tubing; 2.5 in. Collector Size; Mild Steel; w/AIR; Silver Metallic Ceramic Finish; Gaskets; Hardware;CARB E.O. D-115-16; Fits Where Drivers Side Manifold Has Its Exit Rear Of The Rear Exhaust Port~Stock Replacement; Bolts Directly To Factory Headpipes
- CUI: 305
- Engine Type: V8 ( 5L / 305 )
- Engine Vin: H
1992 GMC K2500
- Liter: 5.7
- SubModel: SIERRA SLX
- Aspiration: NATURALLY ASPIRATED
- Fitment Notes: 1.5 in. Primary Tubing; 2.5 in. Collector Size; Mild Steel; w/AIR; Silver Metallic Ceramic Finish; Gaskets; Hardware;CARB E.O. D-115-16; Fits Where Drivers Side Manifold Has Its Exit Rear Of The Rear Exhaust Port~ Stock Replacement; Bolts Directly To Factory Headpipes
- CUI: 350
- Engine Type: V8 ( 5.7L / 350 )
- Engine Vin: K
1994 GMC C1500
- Liter: 5
- SubModel: SIERRA SLT
- Aspiration: NATURALLY ASPIRATED
- Fitment Notes: 1.5 in. Primary Tubing; 2.5 in. Collector Size; Mild Steel; w/AIR; Silver Metallic Ceramic Finish; Gaskets; Hardware;CARB E.O. D-115-16; Fits Where Drivers Side Manifold Has Its Exit Rear Of The Rear Exhaust Port~ Stock Replacement; Bolts Directly To Factory Headpipes
- CUI: 305
- Engine Type: V8 ( 5L / 305 )
- Engine Vin: H
1992 CHEVROLET C1500
- Liter: 5.7
- SubModel: CHEYENNE
- Aspiration: NATURALLY ASPIRATED
- Fitment Notes: 1.5 in. Primary Tubing; 2.5 in. Collector Size; Mild Steel; w/AIR; Silver Metallic Ceramic Finish; Gaskets; Hardware;CARB E.O. D-115-16; Fits Where Drivers Side Manifold Has Its Exit Rear Of The Rear Exhaust Port~ Stock Replacement; Bolts Directly To Factory Headpipes~ This part is legal for sale and use on Emissions Controlled Vehicles when used in accordance with the manufacturers application guide because it has a California Air Resources Board [CARB] Executive Order [EO] number~ The following vehicles are considered Emissions Controlled Vehicles: 1966 and newer U.S. manufactured California Certified vehicles; 1968 and newer U.S. manufactured Federally Certified vehicles; 1968 and newer Foreign manufactured vehicle
- CUI: 350
- Engine Type: V8 ( 5.7L / 350 )
- Engine Vin: K
1995 GMC K1500 SUBURBAN
- Liter: 5.7
- SubModel: SLT
- Aspiration: NATURALLY ASPIRATED
- Fitment Notes: 1.5 in. Primary Tubing; 2.5 in. Collector Size; Mild Steel; w/AIR; Silver Metallic Ceramic Finish; Gaskets; Hardware;CARB E.O. D-115-16; Fits Where Drivers Side Manifold Has Its Exit Rear Of The Rear Exhaust Port~ Stock Replacement; Bolts Directly To Factory Headpipes~ This part is legal for sale and use on Emissions Controlled Vehicles when used in accordance with the manufacturers application guide because it has a California Air Resources Board [CARB] Executive Order [EO] number~ The following vehicles are considered Emissions Controlled Vehicles: 1966 and newer U.S. manufactured California Certified vehicles; 1968 and newer U.S. manufactured Federally Certified vehicles; 1968 and newer Foreign manufactured vehicle
- CUI: 350
- Engine Type: V8 ( 5.7L / 350 )
- Engine Vin: K
Motor Vehicles
WARNING: Motor vehicles contain fuel, oils and fluids, battery posts, terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. These chemicals are found in vehicles, vehicle parts and accessories, both new and as replacements. When being serviced, these vehicles generate used oil, waste fluids, grease, fumes and particulates, all known to the State of California to cause cancer, birth defects, and reproductive harm.
Tools:
WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Some examples of these chemicals are: lead from lead-based paints, crystalline silica from bricks and cement and other masonry products, and arsenic and chromium from chemically treated lumber. Your risk from exposure to these chemicals varies, depending on how often you do this type of work. To reduce your exposure, work in a well-ventilated area and with approved safety equipment, such as dust masks that are specially designed to filter out microscopic particles.
Electrical Cords
WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.