1978 GMC P-Series Exhaust Headers & Manifolds
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ATP®Cast Iron Natural Exhaust ManifoldGMC P-Series 1978, Natural Cast Iron Exhaust Manifold by ATP®. Color: Natural. Header Coating: Uncoated. ATP Graywerks Exhaust Manifolds are a high quality OE replacement alternative. Each manifold is developed off of the original parts...Manufactured to OE design ensuring manifold will line up and flow like the original unitHigh grade metallurgy resists fatigue cracking and breakage$112.67 - $167.60 - TRQ®Exhaust ManifoldGMC P35 7.4L 1978, Exhaust Manifold by TRQ®. Position: Passenger Side. Made with quality in mind, this high-grade TRQ exhaust manifold fits right away without any trouble. It is built using the latest technology and innovation to meet...Intended to bring your vehicle back to its original gloryBudget-friendly alternative to the OEM part$99.95Save: $5.00 (5%)$94.95
- Dorman®Natural Exhaust ManifoldGMC P-Series 1978, Natural Exhaust Manifold by Dorman®. Color: Natural. Header Coating: Uncoated. This exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the original manifold on...Ideal replacement - this exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the stock manifold on specified vehiclesReliable construction - durable materials resist warping, cracking and leaking for long-lasting performance$107.02 - $164.84
- Davico®Exhaust Manifold with Integrated Catalytic ConverterGMC P-Series 1978, Exhaust Manifold with Integrated Catalytic Converter by Davico®. Without Gaskets. This product by Davico will be a great solution to replace your failed or damaged catalytic converter. Once your stock cat fails to...Helps your vehicle emit harmless gasesDirect OEM replacement$332.32
- ARP®Header Bolt KitGMC P-Series 1978, Header Bolt Kit by ARP®. ARP manufactures a variety of premium grade bolt and stud kits to facilitate installation of exhaust headers including the popular stainless stud kit with 12-point nuts. The Stainless material...Designed to unlock more performance out of your vehicleDeliver a reasonable balance of strength and durability$21.63 - $119.06
- SKP®Exhaust ManifoldGMC P-Series 1978, Exhaust Manifold by SKP®. Put your vehicle back to its original condition with this top-notch transfer case component designed to efficiently transmit the engine power to both the front and rear axles through...Designed to send the engine power to both the front and rear axlesDirect-fit replacement for your overworked, out-of-shape transfer case$79.98 - $103.01
- Hedman Hedders®Standard Duty Long Tube Exhaust HeadersGMC P35 with Air Conditioning, Power Steering, AutomaticTransmission and without EGR 1978, Standard Duty Long Tube Exhaust Headers by Hedman Hedders®. Collector Outlet Diameter: 3". Color: Silver. Header Style: Long Tube. The...Made of High Quality MaterialsBuilt to Last$366.69 - $1,075.08
- Hedman Hedders®Elite Ultra-Duty Mild Steel Silver Matte Ceramic-Metallic Long Tube Racing Exhaust HeadersGMC P35 with Air Conditioning, Power Steering, A.I.R, AutomaticTransmission, Automatic Transmission Floor Shifter / Automatic Transsmision Column Shifter and without EGR, Manual Transmission Column Shifter / Manual Transmission Floor...Made of High Quality MaterialsIdeal for Heavy Duty Applications$898.59
- Patriot Exhaust®Steel D-Port Header Flange KitGMC P35 1978, Steel D-Port Header Flange Kit by Patriot Exhaust®. Patriot Exhaust's precision machined header flange kits are available for many popular engine families. Patriot precision machined header flange kits are available for...Precision machined flangeBuilt of High quality materials$107.05
- Stage 8®Steel Nickel plated Header Locking Bolt KitGMC P-Series 1978, Steel Nickel plated Header Locking Bolt Kit by Stage 8®. Stage 8 locking fastener solutions are fail-safe when used and installed as directed. They are removable and reusable and can be visually inspected; if the...Thoughtfully designed for the highest efficiency and safetyWill provide more breakaway torque than any other locking system$68.22 - $124.40
- Fel-Pro®Exhaust Manifold Gasket SetGMC P-Series 1978, Exhaust Manifold Gasket Set by Fel-Pro®. If you need durable gaskets to prevent leaks on your vehicle, Fel-Pro is the way to go. Engineered using the latest technologies and global engineering resources, the gaskets...Ensures reliable sealing performanceMade using advanced technologies and molded rubber chemistry$8.16 - $31.79
- Remflex®Exhaust Header GasketsGMC P25 / P35 5.7L 1978, Exhaust Header Gaskets by Remflex®. Stahl 7-Bolt Pattern. Remflex's unique flexible graphite material has been proven for more than 30 years in industrial applications. Whether you have an old pick-up that needs...Designed to crush 50%This allows them to fill gaps in the flange surface up to 1/16"$39.43
- Apex Auto®Exhaust Manifold Gasket SetGMC P25 5.7L 1978, Exhaust Manifold Gasket Set by Apex Auto®. Designed utilizing the latest technology, this product by Apex Auto features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle,...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$5.31
- Mahle®Exhaust Manifold Gasket SetGMC P-Series 1978, Exhaust Manifold Gasket Set by Mahle®. 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. It will meet your needs and...High quality at an affordable priceExpertly made from premium materials$6.85 - $26.98
- Patriot Exhaust®Percy's Seal-4-Good™ Aluminum Header Flange GasketsGMC P25 / P35 5.7L 1978, Percy's Seal-4-Good™ Aluminum Header Flange Gaskets by Patriot Exhaust®. Hanger made from Steel. Great for bringing back the custom car look some popular in the 50's and 60's.Will cover your exhaust needs and even moreBuilt to last$45.85
- Patriot Exhaust®Percy's Seal-4-Good™ Exhaust Header GasketsGMC P-Series 1978, Percy's Seal-4-Good™ Exhaust Header Gaskets by Patriot Exhaust®. This superior Patriot Exhaust product is just for you. Carefully designed for maximum performance, is will more than just meet your needs and...Special "dead soft" aluminum conforms to flange to make an excellent sealSolid metal gasket will not blow out$45.85
- Hedman Hedders®Block Hugger Mild Steel Racing Exhaust HeadersBlock Hugger Mild Steel Racing Exhaust Headers by Hedman Hedders®. The compact, low profile design of Hedman's Block Hugger Headers is ideal for factory manifold replacement, or engine swap projects that do not have a header designed...High quality at an affordable priceExpertly made from premium materials$263.28 - $701.35
- Hedman Hedders®Hustlers Race Exhaust Header Flange GasketsHustlers Race Exhaust Header Flange Gaskets by Hedman Hedders®. Gasket made from High-temperature white. Husler's STANDARD gaskets are made of a special, reinforced gasket material developed for Hedman.Made of High Quality MaterialsBuilt to Last$19.97
- Dorman®Brass Exhaust Manifold Hardware KitBrass Exhaust Manifold Hardware Kit by Dorman®. Dorman manifold bolt and spring kits are just what you need to secure the front flange. Dorman offers products like fasteners and solutions to keep your vehicle running its best.Direct replacement for a proper fitBuilt to Last$5.63
- Vibrant Performance®Stainless Steel Exhaust FlangeUniversal Stainless Steel Exhaust Flange by Vibrant Performance®. 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. It will meet your...High quality at an affordable priceExpertly made from premium materials$5.75 - $69.99
- Walker®Manifold Stud Bolt KitManifold Stud Bolt Kit by Walker®. With their extensive selection of accessories and hardware for the exhaust system, Walker will provide you with everything needed to do the complete exhaust job. When you choose Walker accessories, you...Makes installation quick and easyOptimal OE-style fit and quality$0.63 - $1.39
- BRExhaust®Exhaust Manifold NutExhaust Manifold Nut by BRExhaust®. BRExhaust has a vast selection of all necessary accessories and hardware to help you make the exhaust system installation or repair job quickly and easily. Choose BRExhaust, and you'll get OE-quality...Constructed for a hassle-free exhaust repairEnsures a precise fit$1.22 - $2.54
- Victor Reinz®Exhaust Manifold Gasket SetGMC P-Series 1978, Exhaust Manifold Gasket Set by Victor Reinz®. 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. It will meet your...High quality at an affordable priceExpertly made from premium materials$10.48 - $22.84
- Jones Exhaust®Exhaust FlangeUniversal Exhaust Flange by Jones Exhaust®. 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. It will meet your needs and deliver great...High quality at an affordable priceExpertly made from premium materials$2.27 - $3.25
- Nickson®Exhaust Collector GasketExhaust Collector Gasket by Nickson®. Nickson was the first to introduce exhaust products to the aftermarket. This represented a substantial upgrade in the quality of products especially since they took both the Ford and GM OE designs...Expertly crafted from premium materialsQuality design and workmanship$1.22 - $7.43
- Nickson®Exhaust Manifold InsulatorExhaust Manifold Insulator by Nickson®. Nickson was the first to introduce exhaust products to the aftermarket. This represented a substantial upgrade in the quality of products especially since they took both the Ford and GM OE designs...Expertly crafted from premium materialsQuality design and workmanship$6.02
- PAI®Exhaust Manifold KitExhaust Manifold Kit by PAI®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...Perfect blend of leading innovations and superior workmanshipManufactured to offer high value and everlasting reliability$1,134.44
- Nickson®Exhaust Manifold GasketUniversal Exhaust Manifold Gasket by Nickson®. Nickson was the first to introduce exhaust products to the aftermarket. This represented a substantial upgrade in the quality of products especially since they took both the Ford and GM OE...Expertly crafted from premium materialsQuality design and workmanship$2.42 - $10.79
- Nickson®Exhaust Flat WasherExhaust Flat Washer by Nickson®. Nickson was the first to introduce exhaust products to the aftermarket. This represented a substantial upgrade in the quality of products especially since they took both the Ford and GM OE designs and...Expertly crafted from premium materialsQuality design and workmanship$0.13 - $0.32
- Nickson®Exhaust Manifold FlangeUniversal Exhaust Manifold Flange by Nickson®. Nickson was the first to introduce exhaust products to the aftermarket. This represented a substantial upgrade in the quality of products especially since they took both the Ford and GM OE...Expertly crafted from premium materialsQuality design and workmanship$6.51 - $10.91
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