1978 Mercury Grand Marquis Exhaust Systems
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- ATP®Cast Iron Natural Exhaust ManifoldMercury Grand Marquis 1978, Natural Cast Iron Exhaust Manifold by ATP®. Position: Driver Side. Color: Natural. Header Coating: Uncoated. ATP Graywerks Exhaust Manifolds are a high quality OE replacement alternative. Each manifold is...Manufactured to OE design ensuring manifold will line up and flow like the original unitHigh grade metallurgy resists fatigue cracking and breakage$154.93
- Dorman®Cast Iron Natural Exhaust ManifoldMercury Grand Marquis 5.8L / 6.6L 1978, Cast Iron Natural Exhaust Manifold by Dorman®. Position: Driver Side. Color: Natural. Header Coating: Uncoated. This exhaust manifold was precision-engineered and durably manufactured to match the...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$136.43
- Dorman®Metal Exhaust Manifold Hardware KitMercury Grand Marquis 5.8L / 6.6L 1978, Metal 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...Direct replacement for a proper fitBuilt to Last$11.39 - $13.25
- Fel-Pro®Exhaust Manifold Heat Shield SetMercury Grand Marquis 7.5L 1978, Exhaust Manifold Heat Shield 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...Ensures reliable sealing performanceMade using advanced technologies and molded rubber chemistry$16.92
- Stage 8®Steel Nickel plated Header Locking Bolt KitMercury Grand Marquis 6.6L / 7.5L 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...Thoughtfully designed for the highest efficiency and safetyWill provide more breakaway torque than any other locking system$75.82
- Fel-Pro®Exhaust Manifold Gasket SetMercury Grand Marquis 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$11.58 - $30.15
- Dorman®Metal Exhaust Flange Stud and Nut KitMercury Grand Marquis 1978, Metal 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...Direct replacement for a proper fit every timeThe finest quality at a great price$5.96
- Fel-Pro®Exhaust Pipe Flange GasketMercury Grand Marquis 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 - $6.04
- Mahle®Exhaust Pipe Flange GasketMercury Grand Marquis 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...High quality at an affordable priceExpertly made from premium materials$2.15 - $8.19
- Mahle®Exhaust Manifold Gasket SetMercury Grand Marquis 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$12.16 - $32.60
- Remflex®Exhaust Header GasketsMercury Grand Marquis 1978, Exhaust Header Gaskets by Remflex®. 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 a manifold gasket...Designed to crush 50%This allows them to fill gaps in the flange surface up to 1/16"$30.87 - $38.87
- Hedman Hedders®Header Flange GasketsMercury Grand Marquis 5.8L 1978, Header Flange Gaskets by Hedman Hedders®. Hedman gaskets are made of a special gasket material developed for Hedman. Accept no substitute.Made of High Quality MaterialsEasy to Install$15.03
- Patriot Exhaust®Percy's Seal-4-Good™ Exhaust Header GasketsMercury Grand Marquis 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 SetMercury Grand Marquis 5.8L Windsor Engine 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...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$9.01
- Apex Auto®Exhaust Pipe Flange GasketMercury Grand Marquis 5.8L Windsor Engine 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...Quick accurate delivery with excellent fill-rateExcellent inventory availability$2.03
- Fel-Pro®Exhaust Manifold Hardware KitMercury Grand Marquis 1978, Exhaust Manifold Hardware Kit by Fel-Pro®. If you are looking for quality sealing solutions, Fel-Pro offers you various replacement products from seals and bolts to O-Rings and dowel pins. Engineered using...Direct OEM replacement for a proper fitEnsures reliable sealing performance$30.21 - $45.19
- Hedman Hedders®Block Hugger Mild Steel Uncoated Racing Exhaust HeadersBlock Hugger Mild Steel Uncoated Racing Exhaust Headers by Hedman Hedders®. Primary Tubing Diameter: 1.5". Collector Outlet Diameter: 2.5". Color: Silver. Header Coating: Uncoated. Hedman’s Standard Block Hugger design is ideal for...Low profile designBuilt of High Quality Materials$310.19
- 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
- Jones Exhaust®Flow Deflector Stainless Steel Oval Exhaust MufflerUniversal Flow Deflector Stainless Steel Oval Exhaust Muffler by Jones Exhaust®. Muffler Sound: Moderate. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with...$26.23 - $48.35
- Thunderbolt®TBM™ Stainless Steel Oval Hi-Perfomance Exhaust MufflerUniversal TBM™ Stainless Steel Oval Hi-Perfomance Exhaust Muffler by Thunderbolt®. Muffler Sound: Moderate. These superior quality products are carefully engineered to improve exhaust flow and boost power of your vehicle. These...$37.79 - $68.43
- Thunderbolt®TBM™ Stainless Steel Round Hi-Perfomance Exhaust MufflerUniversal TBM™ Stainless Steel Round Hi-Perfomance Exhaust Muffler by Thunderbolt®. Muffler Sound: Moderate. Muffler Configuration: Center - Center. These superior quality products are carefully engineered to improve exhaust flow and...$42.92 - $73.53
- 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
- AP Exhaust®Challenge Series Aluminized Steel Oval Exhaust Muffler with Inlet/Outlet Neck (3" Dual ID, 3" Dual OD, 24.5" Length)Universal Challenge Series Aluminized Steel Oval Exhaust Muffler with Inlet/Outlet Neck by AP Exhaust®. Muffler Inlet Diameter: 3". Muffler Outlet Diameter: 3". Muffler Body Length: 24.5". Muffler Overall Length: 29". Muffler...Limited Lifetime Warranty backed by AP Exhaust Products100% aluminized components$134.18
- AERO Exhaust®AR Series 304 Stainless Steel Round Performance Exhaust ResonatorUniversal AR Series 304 Stainless Steel Round Performance Exhaust Resonator by AERO Exhaust®. Resonator Overall Length: 14". Resonator Sound: Aggressive / Loud. Resonator Configuration: Center - Center. AERO AR Series resonators are...$59.99 - $105.99
- Cherry Bomb®Extreme Performance Steel Oval Exhaust MufflerUniversal Extreme Performance Steel Oval Exhaust Muffler by Cherry Bomb®. Muffler Body Length: 6". Muffler Overall Length: 12". Muffler Sound: Aggressive / Loud. For those who live for disturbing the peace, the wing plate and straight...$31.11 - $35.47
- Different Trend®Flow II Series Stainless Steel Oval Gray Exhaust MufflerUniversal Flow II Series Stainless Steel Oval Gray Exhaust Muffler by Different Trend®. Muffler Sound: Moderate. Different Trend provides variety of product selections, premium quality products, superior value, and the best in customer...$34.26 - $72.87
- MagnaFlow®Stainless Steel Oval Bi-Direction Exhaust MufflerUniversal Stainless Steel Oval Bi-Direction Exhaust Muffler by MagnaFlow®. Muffler Sound: Moderate. The Wide Open design of the performance muffler improves the breathing of your engine and gives you increased power. It also gives you...$109.00 - $276.00
- MagnaFlow®Stainless Steel Round Chamber Bi-Direction Exhaust MufflerUniversal Stainless Steel Round Chamber Bi-Direction Exhaust Muffler by MagnaFlow®. Muffler Sound: Moderate. The Wide Open design of the performance muffler improves the breathing of your engine and gives you increased power. It also...$98.00 - $241.00
- iD Select®ECO II Universal Fit Catalytic ConverterUniversal ECO II Catalytic Converter by iD Select®. Converter Configuration: Universal Fit. Catalytic Converter Overall Length: 16". Swap out your worn-out or malfunctioning part with this top-notch exhaust product from iD Select....$144.22 - $146.77
- Cherry Bomb®M-80 Aluminized Steel Round Red Exhaust MufflerUniversal M-80 Aluminized Steel Round Red Exhaust Muffler by Cherry Bomb®. Muffler Body Length: 13". Muffler Overall Length: 19". Muffler Sound: Aggressive / Loud. Muffler Configuration: Center - Center. New M-80 is a real firecracker!...$28.43 - $32.18
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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
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