1978 Pontiac Grand Prix Exhaust Systems
Select Your Submodel
-
Doug's Headers®4-Tube Short Tube Exhaust HeadersPontiac Grand Prix 1978, 4-Tube Short Tube Exhaust Headers by Doug's Headers®. Header Coating: Ceramic. Header Style: Short Tube. Doug's Headers development and design is complex and requires a substantial amount of time and resources...3/8" Thick machined flanges...no warpingCNC mandrel bent tubes... accurate fit & better flow$735.95 - $897.95 - Doug's Headers®4-Tube Steel Long Tube Exhaust HeadersPontiac Grand Prix 1978, 4-Tube Steel Long Tube Exhaust Headers by Doug's Headers®. Header Style: Long Tube. Doug's headers are carefully developed on the vehicles they are intended to fit and are re-checked numerous times during the...Doug's Headers D3373 Metallic Ceramic Coating3/8" thick flanges$692.45 - $1,029.95
- Doug's Headers®Tri-Y Long Tube Exhaust HeadersPontiac Grand Prix 4.9L / 5.0L 1978, Tri-Y Long Tube Exhaust Headers by Doug's Headers®. Primary Tubing Diameter: 1.625"-2". Header Coating: Ceramic. Header Style: Long Tube. This Doug's Headers product is just the option for you in...Designed to boost your vehicle's performanceMade from high-quality materials$638.95 - $882.95
- Eastern Catalytic®Standard Universal Fit Oval Body Catalytic ConverterPontiac Grand Prix 3.8L 1978, Standard Catalytic Converter by Eastern Catalytic®. Converter Configuration: Universal Fit. Location: Undercar. Catalytic Converter Body Shape: Oval. Without Air Tube. Without O2 Sensor Port. Catalytic...$120.27
- Walker®Aluminized Steel Exhaust TailpipePontiac Grand Prix 4.9L / 5.0L with Early Design 1978, Aluminized Steel Exhaust Tailpipe by Walker®. If you want exhaust piping that delivers precise OE-style fit, appearance, and reliability, this part is your number one choice. Every...Designed to directly replace the factory partMade with precision benders and fixture checked$28.15
- Fel-Pro®Exhaust Pipe Flange GasketPontiac Grand Prix 5.0L 1978, Exhaust Pipe Flange Gasket 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...Direct OEM replacement for a proper fitEnsures reliable sealing performance$2.49 - $3.11
- Fel-Pro®Exhaust Manifold Gasket SetPontiac Grand Prix 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...Ensures reliable sealing performanceMade using advanced technologies and molded rubber chemistry$8.28 - $34.01
- Dorman®Exhaust Flange Stud and Nut KitPontiac Grand Prix 1978, Exhaust Flange Stud and Nut Kit by Dorman®. Position: Front. Dorman’s Exhaust Flange Stud & Nut provides you with the proper flange stud and nut for replacing your manifold. Save time and energy by having the...Direct replacement for a proper fit every timeThe finest quality at a great price$3.87 - $6.91
- BBK®Premium Header Gasket SetPontiac Grand Prix 5.0L for Stock Or CNC Ported Heads 1978, Premium Header Gasket Set by BBK®. These premium steel core graphite gaskets are flexible for a long lasting leak-proof seal even when cylinder head and header flange surfaces...Provides a long lasting, leak-proof sealFlexible graphite will conform to surface irregularities and won't stick to headers or cylinder head$44.99
- Mahle®Exhaust Pipe Flange GasketPontiac Grand Prix 1978, Exhaust Pipe Flange Gasket 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...High quality at an affordable priceExpertly made from premium materials$2.15 - $7.97
- Mahle®Exhaust Manifold Gasket SetPontiac Grand Prix 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...High quality at an affordable priceExpertly made from premium materials$6.85 - $29.82
- Remflex®Exhaust Header GasketsPontiac Grand Prix 5.0L 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...Designed to crush 50%This allows them to fill gaps in the flange surface up to 1/16"$39.43
- Patriot Exhaust®Percy's Seal-4-Good™ Exhaust Header GasketsPontiac Grand Prix 5.0L 1978, Percy's Seal-4-Good™ Exhaust Header Gaskets by Patriot Exhaust®. The Percy's Seal-4-Good Reusable Flange Gaskets are multi-layered and made from a special "Dead Soft" Aluminum, which conforms to header...Special "dead soft" aluminum conforms to flange to make an excellent sealSolid metal gasket will not blow out$44.95
- Apex Auto®Exhaust Manifold Gasket SetPontiac Grand Prix 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...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$5.13 - $6.60
- Pypes®X-Change X-Pipe KitPontiac Grand Prix 1978, X-Change X-Pipe Kit by Pypes®. Upgrade your exhaust system with the superior Pypes Exhaust mandrel bent Pipes that will help unleash your engine's beast in no time flat. Demonstrating both premium quality and...Superior upgrade for your exhaust systemDesigned to provide outstanding performance$327.75 - $391.75
- Patriot Exhaust®Percy's Seal-4-Good™ Aluminum Header Flange GasketsPontiac Grand Prix 5.0L 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$44.95
- Edelbrock®Exhaust Gasket SetPontiac Grand Prix 5.0L 1978, Exhaust Gasket Set by Edelbrock®. Any gasket can create a seal, but a good gasket can do it with less clamping force, and for a longer period of time. Edelbrock's gaskets are not only manufactured from...The finest quality at a great priceEdelbrock carry everything needed to complete the job$24.95
- Apex Auto®Exhaust Pipe Flange GasketPontiac Grand Prix 5.0L 1978, Exhaust Pipe Flange Gasket 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...Quick accurate delivery with excellent fill-rateExcellent inventory availability$2.03
- Pypes®409 SS X-PipePontiac Grand Prix 1978, 409 SS X-Pipe by Pypes®. Main Piping Diameter: 3.5". Upgrade your exhaust system with the superior Pypes Exhaust mandrel bent Pipes that will help unleash your engine's beast in no time flat. Demonstrating both...Superior upgrade for your exhaust systemDesigned to provide outstanding performance$351.75
- Pypes®X-Pipe KitPontiac Grand Prix 1978, X-Pipe Kit by Pypes®. Main Piping Diameter: 2.5". Upgrade your exhaust system with the superior Pypes Exhaust mandrel bent Pipes that will help unleash your engine's beast in no time flat. Demonstrating both...Superior upgrade for your exhaust systemDesigned to provide outstanding performance$273.75
- DynoMax®Dual Pipe KitPontiac Grand Prix 1978, Dual Pipe Kit by DynoMax®. With their great selection of exhaust pipes and accessories, DynoMax will provide you with everything necessary to complete the exhaust job. Every component is manufactured from...Special reducer design allows for a variety of mounting optionsExtra long 16-gauge tailpipe with side exits$216.11
- Walker®Heavy Duty Steel Natural U-Bolt ClampPontiac Grand Prix 4.9L / 5.0L 1978, Heavy Duty Steel Natural U-Bolt Clamp 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...Makes installation quick and easyOptimal OE-style fit and quality$2.17 - $2.39
- Dorman®Metal HELP Exhaust Manifold Bolt and Spring KitPontiac Grand Prix 1978, Metal HELP Exhaust Manifold Bolt and Spring Kit by Dorman®. Position: Front. Exhaust manifold fastener kits provide a time-saving solution for repairing the manifold. Each kit is designed for direct replacement...New hardware helps fix exhaust leaksKits include hardware to securely attach the manifold to the exhaust system$4.90
- Dorman®Steel Exhaust SpringPontiac Grand Prix 1978, Steel Exhaust Spring by Dorman®. Position: Front. Designed for an exact fit, Dorman’s Exhaust Spring provides you with the proper flange spring for replacing the manifold. Save time and energy by having the...Direct replacement for a proper fit every timeDurable steel construction$5.20 - $5.44
- Cherry Bomb®Glass Pack Series Steel Round Red Exhaust MufflerUniversal Glass Pack Series Steel Round Red Exhaust Muffler by Cherry Bomb®. Muffler Sound: Aggressive / Loud. The original high performance Cherry Bomb® with its straight-through design maximizes horsepower and offers those classic...$24.40 - $69.95
- Flowmaster®Super 10 Series Delta Flow™ 409 SS Oval Black Exhaust Muffler (2.5" Offset ID, 2.5" Offset OD, 8" Length)Universal Super 10 Series Delta Flow™ 409 SS Oval Black Exhaust Muffler by Flowmaster®. Muffler Inlet Diameter: 2.5". Muffler Outlet Diameter: 2.5". Muffler Body Length: 8". Muffler Overall Length: 12.5". Muffler Sound: Aggressive /...$153.95
- Flowmaster®Super 10 Series Delta Flow™ Oval Black Exhaust MufflerUniversal Super 10 Series Delta Flow™ Oval Black Exhaust Muffler by Flowmaster®. Without Hangers. Muffler Inlet Diameter: 2.5". Muffler Body Length: 6.5". Muffler Overall Length: 12.5". Muffler Sound: Aggressive / Loud. Muffler...$99.95
- XFORCE Exhaust®Stainless Steel Exhaust MufflerUniversal Stainless Steel Exhaust Muffler by XFORCE Exhaust®. Muffler Sound: Moderate. If you are ready to enhance your exhaust system, we invite you to turn your attention to this path-breaking product by XFORCE. Developed and crafted...$99.00 - $148.50
- AP Exhaust®Enforcer Series Aluminized Steel Round Glass Pack Exhaust MufflerUniversal Enforcer Series Aluminized Steel Round Glass Pack Exhaust Muffler by AP Exhaust®. Muffler Structure: Straight-through. Muffler Configuration: Center - Center. Today’s exhaust performance market continues to cover a broad...Aluminized materials for superior corrosion protectionIdeal for the economy buyer$13.46 - $38.58
Shop By Service Type
Popular Products
-
- $28.29 - $175.76
1978 Pontiac Grand Prix Exhaust Reviews
5 reviews
I Would Definitely Buy Again
SLP® - Loud Mouth™ Stainless Steel Round Bullet-Type Silver Exhaust Resonator (2.5" Center ID, 2.5" Center OD, 14" Length)Posted by Robert (Monroe, WI) / November 20, 20222000 Dodge Dakota
1978 Pontiac Grand Prix Models
Popular Searches