1983 Pontiac Grand Prix Exhaust Headers & Manifolds
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Dynatech®Aluminum Adapter PlatePontiac Grand Prix 5.0L with Chevy Small Block Engine 1983, Aluminum Adapter Plate by Dynatech®. These Small Block Chevy to Stahl Aluminum Adapter Plate Kits allow you to use a larger tube size to maximize power. The Standard Chevy bolt...Delivers a huge boost in performance and an awesome soundRigorously dyno-tested to provide maximum horsepower and torque gains$176.99 - Dynatech®Stainless Steel 604 Crate Engine Dirt Late Model Exhaust HeadersPontiac Grand Prix With Chevy Small Block Engine 1983, Stainless Steel 604 Crate Engine Dirt Late Model Exhaust Headers by Dynatech®. Primary Tubing Diameter: 1.625"-1.75". Collector Outlet Diameter: 3". These Stainless Steel 604 Crate...Engineered for 604 Crate enginesGaskets and bolts included$999.99
- Dynatech®Stainless Steel Natural Weld-up Dragster Exhaust Header KitPontiac Grand Prix 5.0L with Chevy Small Block Engine 1983, Stainless Steel Natural Weld-up Dragster Exhaust Header Kit by Dynatech®. Primary Tubing Diameter: 1.875"-2". Color: Natural. Header Coating: Uncoated. These Long Tube Big...Tack-welded to make it easy to change or finish weldCNC laser-cut flanges$429.99
- Flowtech®409 SS Natural Upright Exhaust HeadersPontiac Grand Prix 5.0L 1983, Natural 409 SS Upright Exhaust Headers by Flowtech®. Collector Outlet Diameter: 3". Color: Silver. Header Coating: Uncoated. Flowtech Headers are the perfect combination of quality and value. Mandrel-bent...Consistent tubing diameters for smooth flowIncreases the cylinder scavenging effect and improves engine breathing$339.95 - $340.95
- Flowtech®Afterburner™ Mild Steel Long Tube Exhaust HeadersPontiac Grand Prix 1983, Afterburner™ Mild Steel Long Tube Exhaust Headers by Flowtech®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3". Header Style: Long Tube. All hardware and premium gaskets included for a complete...Innovative design for small block Chevy equipped vehiclesIncreases both horsepower and torque Large 3" secondary collector$300.95 - $518.95
- Flowtech®Aluminum Header Gasket SetPontiac Grand Prix 5.0L 1983, Aluminum Header Gasket Set by Flowtech®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind, this product by...Engineered for a precise, easy fitManufactured of P73 Ferroglass non-asbestos facing material for long life$14.95
- Flowtech®Mild Steel Long Tube Exhaust HeadersPontiac Grand Prix 1983, Mild Steel Long Tube Exhaust Headers by Flowtech®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3". Header Style: Long Tube. Include all mounting hardware. What happens when you're doing a custom...Mandrel-formed Power Plenum collectors for low backpressureLong transition collectors with merge spears for maximum flow and increased exhaust velocity$193.95 - $407.95
- Flowtech®Real-Seal™ Aluminum Exhaust Header GasketsPontiac Grand Prix 5.0L 1983, Real-Seal™ Aluminum Exhaust Header Gaskets by Flowtech®. Flowtech REAL-SEAL header and collector gaskets are a revolutionary break-through in exhaust sealing technology. Constructed of separate layers of...Multi-Layer “Dead Soft” aluminum conforms to create a leak-proof sealWill not burn or blow out$74.95
- Hooker®BlackHeart™ Stainless Steel 304 SS Natural Long Tube Exhaust HeadersPontiac Grand Prix With LS Swap Engine 1983, BlackHeart™ Stainless Steel 304 SS Natural Long Tube Exhaust Headers by Hooker®. Primary Tubing Diameter: 1.875". Collector Outlet Diameter: 3". Color: Silver. Header Coating: Uncoated....This part is legal for use on Uncontrolled (Non-Emissions Controlled) Vehicles or Racing VehiclesConstructed of lightweight mandrel bent 304 stainless steel primary tubes wtih a large 3" diameter outlet tube maximizing strength and durability$1,343.95
- Hooker®Competition™ Long Tube Exhaust HeadersPontiac Grand Prix 1983, Competition™ Long Tube Exhaust Headers by Hooker®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3". Header Style: Long Tube. This product is made of high-quality materials to serve you for years...5/16” machined flanges for a perfect sealLight weight & sturdy 16-gauge tubing$241.95 - $861.95
- Hooker®Exhaust HeadersPontiac Grand Prix With LS Swap Engine 1983, Exhaust Headers by Hooker®. Hooker Adjustable race headers allow you to change your header primary tube lengths, collector lengths and diameters and collector types (Classic 4 into 1, Merged...Max dyno gains of +11.82 HP & +19.76 LB.FT. torque1 5/8”, 16-gauge, stainless steel construction maximizing strength and durability$699.95 - $917.95
- Hooker®LS Swap Stainless Steel Natural Long Tube Exhaust HeadersPontiac Grand Prix With LS Swap Engine 1983, LS Swap Stainless Steel Natural Long Tube Exhaust Headers by Hooker®. Primary Tubing Diameter: 1.75". Collector Outlet Diameter: 3". Color: Silver. Header Coating: Uncoated. Header Style:...This part is legal for use on Uncontrolled (Non-Emissions Controlled) Vehicles or Racing VehiclesLong tube design for optimum engine performance$1,217.95
- Hooker®Mid-Length Tube LS-Swap Exhaust HeadersPontiac Grand Prix With LS Swap Engine 1983, Mid-Length Tube LS-Swap Exhaust Headers by Hooker®. Primary Tubing Diameter: 1.875". Collector Outlet Diameter: 3". Header Material: Steel. Header Style: Mid-Length Tube. This product is made...This part is legal for use on Uncontrolled (Non-Emissions Controlled) Vehicles or Racing VehiclesExpertly crafted from premium materials$569.95 - $672.95
- Hooker®RacingHeart™ Street Stock Exhaust HeadersPontiac Grand Prix 5.0L / 5.7L with Small Block Chevy Engine 1983, RacingHeart™ Street Stock Exhaust Headers by Hooker®. Hooker Adjustable race headers allow you to change your header primary tube lengths, collector lengths and...Most Durable AvailableProvides Finest Fit$245.95 - $315.95
- Hooker®Super Competition™ Cast Iron Exhaust ManifoldPontiac Grand Prix With LS Swap Engine 1983, Super Competition™ Cast Iron Exhaust Manifold by Hooker®. Primary Tubing Diameter: 1.75". Collector Outlet Diameter: 2.50". Hooker cast iron exhaust manifolds have been designed to hug...Free-flowing for good performance and catalytic converter efficiency304 stainless steel mating flanges included (mating flange fasteners are not included)$439.95 - $589.95
- Hooker®Super Competition™ Steel Long Tube Exhaust HeadersPontiac Grand Prix 1983, Super Competition™ Steel Long Tube Exhaust Headers by Hooker®. Header Style: Long Tube. All necessary hardware included for a complete installation. This product is made of high-quality materials to serve you...Light weight & sturdy 18 gauge tubing5/16” machined flanges for a perfect seal$672.95 - $1,149.95
- Hooker®Super Competition™ Steel Silver Metallic Ceramic Coated Short Tube Block Hugger Exhaust HeadersPontiac Grand Prix 5.0L 1983, Super Competition™ Steel Silver Metallic Ceramic Coated Short Tube Block Hugger Exhaust Headers by Hooker®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 2.5". Color: Silver. Header Coating:...Designed for optimal performanceIndustry’s best welds for durability$617.95
- Milodon®Header BoltsPontiac Grand Prix 5.0L with Chevy Small Block Engine 1983, Header Bolts by Milodon®. Enjoy superior performance by getting this premium-grade Milodon product that is throughly engineered to help take the performance of your exhaust...Painstakingly designed to meet your racing needsState-of-the-art manufacturing technology$12.95
- Moroso®Aluminum Header Flange KitPontiac Grand Prix 5.0L / 5.7L 1983, Aluminum Header Flange Kit by Moroso®. With this quality part backed by a great price, you can enjoy your vehicle so much more than you thought was possible. This Moroso part is specifically...Aluminum plates simplify the task of matching exhaust ports to large tube, dual flange headers on enginesOnly 3/8" thick to save weight$151.99
- Mr. Gasket®Header Bolt SetPontiac Grand Prix 5.0L 1983, Header Bolt Set by Mr. Gasket®. Color: Silver. Header Coating: Uncoated. Whatever exhaust system you install on your engine, whether it’s a set of chromed headers or simply a set of cleaned up flat black...Includes a ball-head/hex-key socket-installation tool that makes it easy to get them started410 stainless steel$39.95 - $44.95
- Schoenfeld Headers®Street Stock Exhaust HeadersPontiac Grand Prix With Standard Chevy Engine 1983, Street Stock Exhaust Headers by Schoenfeld Headers®. Header Coating: Painted. This top-notch product by Schoenfeld Headers is made to give that extra boost that every driver...Engineered to enhance your vehicle's performanceMade to stringent quality standards$212.02 - $394.09
- Trans-Dapt®Small Head Exhaust Header BoltsPontiac Grand Prix 5.0L with Small Block Chevy Engine 1983, Small Head Exhaust Header Bolts by Trans-Dapt®. This Trans-Dapt product is just the option for you in case you want to get the most out of your auto. It is made from first-rate...High quality at an affordable priceExpertly made from premium materials$10.82
- Trans-Dapt®Standard Head Exhaust Header BoltsPontiac Grand Prix 5.0L with Small Block Chevy Engine 1983, Standard Head Exhaust Header Bolts by Trans-Dapt®. This Trans-Dapt product is just the option for you in case you want to get the most out of your auto. It is made from...High quality at an affordable priceExpertly made from premium materials$12.01
- Big End Performance®Exhaust Header Copper GasketPontiac Grand Prix 1983, Exhaust Header Copper Gasket by Big End Performance®. This Big End Performance product is just the option for you in case you want to get the most out of your auto. It is made from first-rate materials to...Designed to boost your vehicle's performanceMade from high-quality materials$22.12 - $40.69
- Brodix®Spread Port Exhaust Header GasketPontiac Grand Prix 5.0L with Small Block Chevy Engine 1983, Spread Port Exhaust Header Gasket by Brodix®. The Brodix Exhaust Gaskets are specifically engineered to fit the precise dimensions of Brodix cylinder heads. When the...Designed to boost your vehicle's performanceMade from high-quality materials$17.21
- Dynatech®Spread Port Exhaust Header Gasket KitPontiac Grand Prix 5.0L with Chevy Small Block Engine 1983, Spread Port Exhaust Header Gasket Kit by Dynatech®. Dynatech Fiber Race Gaskets are the premium gaskets demanded by many enthusiasts and racers alike. Specifically designed to...Made of High Quality MaterialsBuilt to Last$19.99
- Dynatech®Standard Port Exhaust Header Gasket KitPontiac Grand Prix 5.0L with Chevy Small Block Engine 1983, Standard Port Exhaust Header Gasket Kit by Dynatech®. Dynatech Fiber Race Gaskets are the premium gaskets demanded by many enthusiasts and racers alike. Specifically designed...Made of high quality materialsBuilt to match your exact requirements$19.99
- Hooker®Super Competition™ Fiber Exhaust Header GasketPontiac Grand Prix 1983, Super Competition™ Fiber Exhaust Header Gasket by Hooker®. Hooker's precision-matched Super Competition header gaskets provide a sure fit and unmatched exhaust sealing. This OEM quality gasket is constructed...Precision fit for improved sealingSteel core provides superior adhesion$18.95
- Howe Racing Enterprises®Header GasketPontiac Grand Prix 5.0L / 5.7L 1983, Header Gasket by Howe Racing Enterprises®. Designed utilizing the latest technology, this product by Howe Racing Enterprises® features premium quality and will perform better than advertised....High quality at an affordable priceExpertly made from premium materials$11.36
- Mr. Gasket®Exhaust Gasket SetPontiac Grand Prix 5.0L 1983, Exhaust Gasket Set by Mr. Gasket®. Whatever exhaust system you install on your engine, whether it's a set of chromed headers or simply a set of cleaned up flat black rams horn manifolds, you'll need gaskets...Gaskets for every application, from mild to wildHigh-polished stainless steel bolts will outlast chrome and look great$24.95 - $54.95
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1983 Pontiac Grand Prix Models
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