1991 Mercury Grand Marquis Exhaust Systems
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AP Exhaust®Direct Fit Catalytic Converter and Pipe AssemblyMercury Grand Marquis 5.0L 1991, Catalytic Converter and Pipe Assembly by AP Exhaust®. Converter Configuration: Direct Fit. Without Air Tube. Without O2 Sensor Port. Today’s exhaust performance market continues to cover a broad...$145.16 - $187.45 - MagnaFlow®Standard Direct Fit Catalytic ConverterMercury Grand Marquis 5.0L 1991, Standard Catalytic Converter by MagnaFlow®. Converter Configuration: Direct Fit. With Gasket. With Air Tube. Catalytic Inlet Diameter: 2". Catalytic Outlet Diameter: 2". If your car needs replacement,...$204.00 - $355.00
- ATP®Cast Iron Natural Exhaust ManifoldMercury Grand Marquis 5.0L with EGR Tube Plug 1991, Natural Cast Iron Exhaust Manifold by ATP®. Position: Passenger Side. Color: Natural. Header Coating: Uncoated. ATP Graywerks Exhaust Manifolds are a high quality OE replacement...Manufactured to OE design ensuring manifold will line up and flow like the original unitHigh grade metallurgy resists fatigue cracking and breakage$88.45
- Davico®Direct Fit Catalytic Converter and Pipe AssemblyMercury Grand Marquis 5.0L 1991, Catalytic Converter and Pipe Assembly by Davico®. Converter Configuration: Direct Fit. This direct-fit catalytic converter by Davico will be a great solution to replace your failed or damaged catalytic...$366.15
- Dorman®Cast Iron Natural Exhaust ManifoldMercury Grand Marquis 1991, Natural Cast Iron 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...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$97.06 - $150.51
- Walker®SoundFX™ Steel Oval Direct-Fit Aluminized Exhaust MufflerMercury Grand Marquis 5.0L 1991, SoundFX™ Steel Oval Direct-Fit Aluminized Exhaust Muffler by Walker®. Optional. This muffler is the right choice if you opt for quality acoustics and performance. Walker offers 100% aluminized steel...Designed to deliver ultimate performance and pleasing sound qualityOE-equivalent direct-fit design$43.12 - $47.20
- Walker®Quiet-Flow™ Stainless Steel Oval Aluminized Exhaust MufflerMercury Grand Marquis 5.0L 1991, Quiet-Flow™ Stainless Steel Oval Aluminized Exhaust Muffler by Walker®. Muffler Inlet Diameter: 2". Muffler Outlet Diameter: 2". Muffler Body Length: 19". Muffler Overall Length: 24.5". Muffler...Designed for OE equivalent sound and precision fitSpun-locked heads for a proper resistance to backfire$72.71
- Walker®Replacement Exhaust KitMercury Grand Marquis 5.0L 1991, Replacement Exhaust Kit by Walker®. If you are looking for the ultimate in quality and value, then this superior replacement exhaust kit by Walker is what you need. All its components are designed with...Mufflers and Resonators Designed for OE equivalent sound and precision fitOE-style louvered tube technology for a premium, factory-like sound$45.62 - $359.19
- MagnaFlow®Pre-OBDII Universal Fit Oval Body Catalytic ConverterMercury Grand Marquis 5.0L with PRE-OBDII Models 1991, Pre-OBDII Catalytic Converter by MagnaFlow®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Without Air Tube. Without O2 Sensor Port. Catalytic Inlet...$276.00 - $295.00
- MagnaFlow®Standard Universal Fit Oval Body Catalytic ConverterMercury Grand Marquis 5.0L 1991, Standard Catalytic Converter by MagnaFlow®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Without Air Tube. Without O2 Sensor Port. Catalytic Inlet Diameter: 2". Catalytic...$104.00 - $119.00
- Walker®SoundFX™ Steel Oval Aluminized Exhaust MufflerMercury Grand Marquis 5.0L 1991, SoundFX™ Steel Oval Aluminized Exhaust Muffler by Walker®. Optional. Muffler Inlet Diameter: 2". Muffler Outlet Diameter: 2". Muffler Body Length: 19". Muffler Overall Length: 24". Muffler...Designed to deliver ultimate performance and pleasing sound quality100% aluminized material$38.85
- Dorman®Metal Exhaust Manifold Hardware KitMercury Grand Marquis 1991, 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 your vehicle...Direct replacement for a proper fitBuilt to Last$10.85 - $12.63
- AP Exhaust®Enforcer Series Aluminized Steel Oval Glass Pack Exhaust Muffler with Inlet and Outlet NeckMercury Grand Marquis 5.0L 1991, Enforcer Series Aluminized Steel Oval Glass Pack Exhaust Muffler with Inlet and Outlet Neck by AP Exhaust®. Muffler Inlet Diameter: 2". Muffler Outlet Diameter: 2". Muffler Body Length: 19". Muffler...Aluminized materials for superior corrosion protectionIdeal for the economy buyer$25.30
- Walker®CalCat™ Universal Fit Catalytic ConverterMercury Grand Marquis 5.0L 1991, CalCat™ Catalytic Converter by Walker®. Converter Configuration: Universal Fit. With 1 Inlet. Without Air Tube. Without O2 Sensor Port. Specifically designed to comply with the California Air Resources...$344.48 - $359.19
- AP Exhaust®Standard Duty Universal Fit Oval Body Catalytic ConverterMercury Grand Marquis 5.0L 1991, Standard Duty Catalytic Converter by AP Exhaust®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. With Single Air Tube. Without O2 Sensor Port. Catalytic Inlet Diameter: 2"....$92.79
- Eastern Catalytic®Standard Direct Fit Catalytic Converter and Pipe AssemblyMercury Grand Marquis 5.0L 1991, Standard Catalytic Converter and Pipe Assembly by Eastern Catalytic®. Converter Configuration: Direct Fit. Position: Driver Side. Location: Undercar. Without O2 Sensor Port. Catalytic Converter Overall...$145.16
- SKP®Exhaust ManifoldMercury Grand Marquis 1991, 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$53.24
- BRExhaust®Replacement Exhaust KitMercury Grand Marquis 5.0L 1991, Replacement Exhaust Kit by BRExhaust®. Get confidence with this high-standard OE quality purchase which is perfect for those who want to perform a long-lasting exhaust system repair. Made from top-notch...Superior replacement for your worn out exhaust partHelps put your vehicle back to its tip-top shape$40.37 - $41.34
- BRExhaust®Exhaust MufflerMercury Grand Marquis 5.0L 1991, Exhaust Muffler by BRExhaust®. Muffler Body Length: 15". This product is constructed by one of the leading OE suppliers to provide OE-style performance and maintain a factory-like sound. The direct-fit...Aluminized steel construction for maximum durabilityOne Piece interior to end cap construction to reduce flex and stand up to vehicle vibration$45.22
- Walker®Ultra™ Universal Fit Small Oval Body Catalytic ConverterMercury Grand Marquis 5.0L 1991, Ultra™ Catalytic Converter by Walker®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Small Oval. With 1 Inlet. Without O2 Sensor Port. Catalytic Converter Overall Length:...$62.19 - $146.24
- Eastern Catalytic®Standard Universal Fit Oval Body Catalytic ConverterMercury Grand Marquis 5.0L 1991, Standard Catalytic Converter by Eastern Catalytic®. Converter Configuration: Universal Fit. Position: Driver Side. Location: Undercar. Catalytic Converter Body Shape: Oval. With 1 Air Tube. Without O2...$127.76
- Walker®Aluminized Steel Exhaust TailpipeMercury Grand Marquis 5.0L 1991, Aluminized Steel Exhaust Tailpipe by Walker®. Main Piping Diameter: 2". If you want exhaust piping that delivers precise OE-style fit, appearance, and reliability, this part is your number one choice....Designed to directly replace the factory partMade with precision benders and fixture checked$36.92 - $42.93
- Walker®Fiber and Metal Laminate 2-Bolt Exhaust Pipe Flange GasketMercury Grand Marquis 5.0L with Dual Exhaust System / Single Exhaust System 1991, Fiber and Metal Laminate 2-Bolt Exhaust Pipe Flange Gasket by Walker®. With their extensive selection of accessories and hardware for the exhaust system,...Makes installation quick and easyOptimal OE-style fit and quality$5.60
- Walker®Aluminized Steel Exhaust Y-PipeMercury Grand Marquis 5.0L with Single Exhaust System 1991, Aluminized Steel Exhaust Y-Pipe by Walker®. Main Piping Diameter: 2". If you want exhaust piping that delivers precise OE-style fit, appearance, and reliability, this part is...Designed to directly replace the factory partConstructed with OEM type connections$47.62
- Fel-Pro®Exhaust Manifold Gasket SetMercury Grand Marquis 5.0L 1991, 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,...Ensures reliable sealing performanceMade using advanced technologies and molded rubber chemistry$13.77
- Dorman®Metal Exhaust Flange Stud and Nut KitMercury Grand Marquis 5.0L 1991, 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...Direct replacement for a proper fit every timeThe finest quality at a great price$7.86
- Fel-Pro®Exhaust Pipe Flange GasketMercury Grand Marquis 5.0L 1991, Exhaust Pipe Flange Gasket by Fel-Pro®. Location: Catalytic Converter. If you need durable gaskets to prevent leaks on your vehicle, Fel-Pro is the way to go. Engineered using the latest technologies and...Direct OEM replacement for a proper fitEnsures reliable sealing performance$2.88
- Davico®Exhaust Y-PipeMercury Grand Marquis 5.0L 1991, Exhaust Y-Pipe by Davico®. Position: Front. 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...High quality at an affordable priceExpertly made from premium materials$50.16
- BRExhaust®Exhaust Pipe Flange GasketMercury Grand Marquis 5.0L 1991, Exhaust Pipe Flange Gasket 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....Constructed for a hassle-free exhaust repairEnsures a precise fit$5.60
- Apex Auto®Exhaust Manifold Gasket SetMercury Grand Marquis 5.0L 1991, 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...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$9.01
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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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