1999 Pontiac Grand Prix Performance Exhaust Systems

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    • (0 reviews)
      # mpn1131740
      Pontiac Grand Prix With LEV Specification / With LEV1 Specification / With TLEV Specification 3.8L 1999, OBDII Catalytic Converter by MagnaFlow®. Emissions: CARB compliant. Converter Configuration: Direct Fit. With Gaskets. Without...
      Increases exhaust flow compared to original factory converterIncreased exhaust flow allows your engine to make more power
      $545.50
    • (0 reviews)
      # 81746584
      Pontiac Grand Prix 1999, Sport™ 304 SS Cat-Back Exhaust System by Corsa®. Exhaust Type: Cat-Back. Exhaust Tubing Material: 304 SS. Main Tubing Diameter: 2.5". System Sound: Aggressive. The patented Reflective Sound Cancellation...
      Robust and Bold Performance SoundNo Drone at Touring Speeds
      $1,233.65 - $1,333.43
    • (0 reviews)
      # mpn1098596
      Pontiac Grand Prix GT / GTP 1999, Street Series™ Stainless Steel Cat-Back Exhaust System by MagnaFlow®. Exhaust Type: Cat-Back. Exhaust Tubing Material: Stainless Steel. Main Tubing Diameter: 2.5". System Sound: Moderate. The...
      Moderate SoundDelivers More Horsepower
      $951.58
    • (0 reviews)
      # mpn2194820
      Pontiac Grand Prix GT / GTP 1999, Super Turbo™ Aluminized Steel Dual Cat-Back Exhaust System by DynoMax®. Exhaust Type: Cat-Back. Exhaust Tubing Material: Aluminized Steel. Main Tubing Diameter: 2.25" to 2.5". Get improved...
      Constructed to increase horsepower and torque thanks to improved exhaust flowStainless steel Super Turbo muffler will maintain a mellow performance tone
      $434.49
    • (0 reviews)
      # mpn358734629
      Pontiac Grand Prix 3.8L 1999, PowerFlo™ Stainless Steel Axle-Back Exhaust System by SLP®. Exhaust Type: Axle-Back. Exhaust Tubing Material: Stainless Steel. Give your car a powerful deep sound with a PowerFlo® Exhaust System...
      PowerFlo mufflers offer minimal flow restriction and a deep, rich performance soundLighter than the OEM muffler assembly
      $527.95
    • (0 reviews)
      # 136723043
      Pontiac Grand Prix GTP MFI 1999, Mild Steel Exhaust Headers by PaceSetter®. Primary Tubing Diameter: 1.75". Collector Outlet Diameter: 2.5". Emissions: EPA compliant. Flanged Collector. Includes: Extension to connect to stock...
      Mandrel-Bent 16 Gauge Mild Steel TubingTubes Enter Collector In Proper Firing
      $369.39 - $548.55
    • (0 reviews)
      # 199202522
      Pontiac Grand Prix 1999, Standard Grade Catalytic Converter by Flowmaster®. Emissions: EPA compliant. Converter Configuration: Direct Fit. With O2 Sensor Port. Flowmaster's Standard Grade line of Manifold direct fit catalytic...
      Made of High Quality Stainless SteelImprove Torque and Throttle Response
      $251.86 - $337.03
    • (0 reviews)
      # 380919192
      Pontiac Grand Prix 1999, Heavy Metal Catalytic Converter by MagnaFlow®. Emissions: EPA compliant. Converter Configuration: Direct Fit. With Gasket. Without Air Tube. Catalytic Inlet Diameter: 2.5". Catalytic Outlet Diameter: 2.5"....
      Converter body manufactured from heavy-duty stainless steelIncreases exhaust flow compared to original factory converter
      $215.85 - $252.75
    • (0 reviews)
      # 49720622
      Pontiac Grand Prix 1999, Heavy Metal Catalytic Converter by MagnaFlow®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. With Post-Cat O2 Sensor Port....
      Reduces harmful emissionsIncreases exhaust flow compared to original factory converter
      $108.09
    • (0 reviews)
      # 49720628
      Pontiac Grand Prix 3.8L 1999, OBDII Catalytic Converter by MagnaFlow®. Emissions: CARB compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Without Air Tube. Without O2 Sensor Port. Catalytic...
      Reduces harmful emissionsIncreases exhaust flow compared to original factory converter
      $180.93 - $231.40
    • (0 reviews)
      # mpn1125936
      Pontiac Grand Prix 3.8L 1999, OEM Grade Catalytic Converter by MagnaFlow®. Emissions: EPA compliant. Converter Configuration: Direct Fit. With Gaskets. Catalytic Converter Overall Length: 37". Includes: Gasket (2). If your car...
      Reduces harmful emissionsIncreases exhaust flow compared to original factory converter
      $311.35
    • (0 reviews)
      # 380919193
      Pontiac Grand Prix 1999, OEM Grade Catalytic Converter by MagnaFlow®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. With Post-Cat O2 Sensor Port....
      Reduces harmful emissionsIncreases exhaust flow compared to original factory converter
      $144.84
    • (0 reviews)
      # mpn2194830
      Pontiac Grand Prix GT / GTP 1999, Race™ Aluminized Steel Round Exhaust Muffler by DynoMax®. Muffler Inlet Diameter: 2.25". Muffler Outlet Diameter: 2.25". Muffler Body Length: 18". Muffler Overall Length: 23.5". Muffler Sound:...
      Unrestricted, straight-through design for a dyno tested and track proven increase in horsepower and torqueEngineered to provide a deep race sound
      $58.19
    • (1 review)
      # 18221042
      Pontiac Grand Prix GT / GTP 1999, Super Turbo™ Aluminized Steel Oval Exhaust Muffler by DynoMax®. Muffler Inlet Diameter: 2.25". Muffler Outlet Diameter: 2.5". Muffler Body Length: 14". Muffler Overall Length: 21.25". Muffler...
      Constructed to increase horsepower and torque thanks to improved exhaust flowAluminized steel Super Turbo muffler maintains a mellow performance tone
      $85.51
    • (0 reviews)
      # 18220145
      Pontiac Grand Prix GT / GTP 1999, Aluminized Steel Intermediate Pipe by DynoMax®. Material: Aluminized Steel. With their great selection of exhaust pipes and accessories, DynoMax will provide you with everything necessary to...
      Designed to ensure unrestricted exhaust flowDirect fit – no modifications needed to install
      $18.16 - $52.15
    • (0 reviews)
      # mpn2195527
      Pontiac Grand Prix GT / GTP 1999, Aluminized Steel Y-Pipe by DynoMax®. Material: Aluminized Steel. With their great selection of exhaust pipes and accessories, DynoMax will provide you with everything necessary to complete the...
      Designed to ensure unrestricted exhaust flowDirect fit – no modifications needed to install
      $83.24
    • (0 reviews)
      # mpn1275818148
      Pontiac Grand Prix 3.1L 1999, Heat Shield Gasket Set by Magnum Gasket®. You'd better be ready to take the heat if you're going to seal an exhaust manifold, where temperatures can often exceed 1,000°F. You can count on Magnum to...
      Made of High Quality MaterialsThe best combination of steel layers and high-temp gasket materials
      $15.87
    • (0 reviews)
      # 231107866
      Pontiac Grand Prix 1999, Vibe-Lock Header Bolt Kit by Taylor Cable®. This products is an OEM and Performance company that was built on its founding heritage supported by a tradition of Legendary Quality. Designed utilizing the...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $14.91 - $116.60
    • (0 reviews)
      # 176971953
      Pontiac Grand Prix 1999, 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...
      Direct fit replacementIncludes all applicable flanges, hangers, and sensor fittings
      $41.04 - $403.84
    • (0 reviews)
      # 165562214
      Pontiac Grand Prix 1999, Replacement Exhaust Kit by AP Exhaust®. 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
      $45.39 - $292.78
    • (0 reviews)
      # 231107734
      Pontiac Grand Prix 1999, Natural Exhaust Manifold by Dorman®. Finish: Natural. Since this part is a direct replacement, the exact fit adds another layer of efficiency and convenience.
      High Quality tubular construction protects against warping and/or crackingLeak-resistant for long-lasting performance
      $49.95 - $112.95
    • (0 reviews)
      # 350240151
      Pontiac Grand Prix 1999, CalCat™ Catalytic Converter by Walker®. Emissions: CARB compliant. Converter Configuration: Direct Fit. Catalytic Converter Body Shape: Round. With 1 Inlet. With O2 Sensor Port. This catalytic converter...
      Designed to meet your vehicle’s specific emissions requirementsDirect fit replacement
      $374.95 - $403.84
    • (0 reviews)
      # 350240161
      Pontiac Grand Prix 1999, CalCat™ Catalytic Converter by Walker®. Emissions: CARB compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. With 1 Inlet. Without Air Tube. Without O2 Sensor Port....
      Constructed to meet your vehicle’s specific emissions requirementsFeatures stainless steel body with aluminized steel pipe and heat shields
      $144.00
    • (0 reviews)
      # 504579957
      Pontiac Grand Prix 1999, EX Ultra™ Catalytic Converter by Walker®. Emissions: EPA compliant. Converter Configuration: Direct Fit. Catalytic Converter Body Shape: Round. With 1 Inlet. With O2 Sensor Port.
      Constructed to meet your vehicle’s specific emissions requirementsBody and pipe heat shields made of high quality materials for durability
      $292.13 - $294.28
    • (0 reviews)
      # 87068548
      Pontiac Grand Prix 1999, Ultra™ Catalytic Converter by Walker®. Emissions: EPA compliant. Converter Configuration: Direct Fit. Catalytic Converter Body Shape: Round. With 1 Inlet. With O2 Sensor Port. Walker is an OE supplier to...
      Constructed to meet your vehicle’s specific emissions requirementsBody and pipe heat shields made of high quality materials for durability
      $179.75 - $185.23
    • (0 reviews)
      # 286335869
      Pontiac Grand Prix 1999, Ultra™ Catalytic Converter by Walker®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. With 1 Inlet. Without Air Tube. Without O2 Sensor Port....
      Constructed to meet your vehicle’s specific emissions requirementsFeatures stainless steel body with aluminized steel pipe and heat shields
      $74.34 - $77.93
    • (0 reviews)
      # 20581404
      Pontiac Grand Prix With Federal Emission 1999, Catalytic Converter by Bosal®. Emissions: EPA compliant. Converter Configuration: Direct Fit. With O2 Sensor Port. If you’re in need of a replacement catalytic converter, you can’t...
      Constructed to meet your vehicle’s specific emissions requirementsRadial flow concept allows for an even distribution of the gas flow in the converter for the optimal conversion of harmful gases
      $185.60 - $194.74
    • (0 reviews)
      # 253024017
      Pontiac Grand Prix With Federal Emission 1999, Catalytic Converter by Bosal®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Position: Rear. With Rear O2 Sensor Port. Catalytic Converter Overall Length: 11"....
      Constructed to meet your vehicle’s specific emissions requirementsRadial flow concept allows for an even distribution of the gas flow in the converter for the optimal conversion of harmful gases
      $91.61 - $110.65
    • (0 reviews)
      # 123206446
      Pontiac Grand Prix 1999, ECO CARB Undercar Catalytic Converter by Eastern®. Emissions: CARB compliant. Converter Configuration: Direct Fit. Position: Center. With 1 O2 Sensor Port. Includes: Inlet Gasket (1), Outlet Gasket (1). If...
      Direct OEM replacementConverts harmful engine emissions to less dangerous gases and water vapor
      $339.03 - $440.29
    • (0 reviews)
      # 123206450
      Pontiac Grand Prix 1999, ECO CARB Catalytic Converter by Eastern®. Emissions: CARB compliant. Converter Configuration: Universal Fit. Position: Center. Catalytic Converter Body Shape: Oval. Whether your catalytic converter is...
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $133.66 - $170.19
    • (0 reviews)
      # 17575452
      Pontiac Grand Prix 1999, ECO GM Catalytic Converter by Eastern®. Emissions: EPA compliant. Converter Configuration: Direct Fit. Position: Undercar. With 1 O2 Sensor Port. Includes: Inlet Gasket, Outlet Gasket. If you need to...
      Direct OEM replacementConverts harmful engine emissions to less dangerous gases and water vapor
      $187.33 - $198.23
    • (0 reviews)
      # 286335874
      Pontiac Grand Prix 1999, ECO GM Catalytic Converter by Eastern®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Position: Undercar. Catalytic Converter Body Shape: Large Oval. Without O2 Sensor Ports. Catalytic...
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $87.84
    • (0 reviews)
      # 86074255
      Pontiac Grand Prix 1999, Catalytic Converter by DEC®. Converter Configuration: Direct Fit. Pick out a catalytic converter by DEC and get your emissions back into check without worrying to fail again. These catalytic converters are...
      Direct fitMade from a heavy duty stainless steel outer shell
      $238.48 - $455.53
    • (0 reviews)
      # 253024145
      Pontiac Grand Prix 1999, Catalytic Converter by AP Exhaust®. Converter Configuration: Direct Fit. Without Air Tube. The growing concern for the environment means there is a growing need for quality emission control products. AP...
      5-year/50,000-mile warranty on converter body25,000-mile warranty on emissions
      $210.94 - $292.78
    • (0 reviews)
      # 81398983
      Pontiac Grand Prix 1999, Catalytic Converter by AP Exhaust®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. Three-Way No / Air OBDII By Design US-EPA Compliant catalytic converters...
      A multitude of Universal converter bodies provided for maximum coverageProvides professional installer with immediate installation options
      $74.51 - $129.71
    • (0 reviews)
      # 136723045
      Pontiac Grand Prix 1999, Catalytic Converter by PaceSetter®. Converter Configuration: Direct Fit. If you want to get the most out of your vehicle, this PaceSetter product is second to none. Engineered with meticulous attention to...
      Direct-Fit Catalytic Converters are a direct replacement for original equipmentManufactured using mandrel-bent 16-gauge and stainless steel tubing
      $131.92 - $387.28
    • (0 reviews)
      # 35484027
      Pontiac Grand Prix 1999, Quiet-Flow™ Stainless Steel Oval Aluminized Exhaust Muffler by Walker®. Muffler Outlet Diameter: 2.25". Muffler Configuration: Offset - Offset. Together with delivering OE-style sound, the Quiet-Flow...
      Designed for OE equivalent sound and precision fitSpun-locked heads for a proper resistance to backfire
      $69.03 - $76.33
    • (0 reviews)
      # 18143275
      Pontiac Grand Prix 1999, SoundFX™ Aluminized Steel Oval Exhaust Muffler by Walker®. Optional. This muffler is the right choice if you opt for quality acoustics and performance. Walker offers 100% aluminized steel SoundFX™...
      Designed to deliver ultimate performance and pleasing sound qualityOE-equivalent direct-fit design
      $26.91 - $47.30
    • (0 reviews)
      # 485833160
      Pontiac Grand Prix 1999, Stainless Steel Round Aluminized Resonator Assembly by Walker®. If you want exhaust piping that delivers precise OE-style fit, appearance, and reliability, this part is your number one choice. Every pipe is...
      Designed to directly replace the factory partMade with precision benders and fixture checked
      $61.47 - $96.00
    • (0 reviews)
      # 16720224
      Pontiac Grand Prix 1999, Natural Exhaust Manifold Crossover Pipe by Dorman®. Includes: Pipe, Hardware and Gaskets. More like a complete kit than a single part, Dorman's Exhaust Crossover Pipe includes all necessary gaskets and...
      Comes with two flange bolts and one flange gasket per side for ease of installationRust-resistant for long-lasting performance
      $210.95 - $225.95
    • (0 reviews)
      # mpn1890370
      Pontiac Grand Prix with Dual Exhaust System 3.8L 1999, Aluminized Steel Y-Pipe by Walker®. Material: Aluminized Steel. If you want exhaust piping that delivers precise OE-style fit, appearance, and reliability, this part is your...
      Designed to directly replace the factory partConstructed with OEM type connections
      $119.19
    • (0 reviews)
      # 505827535
      Pontiac Grand Prix 1999, Quick-Fit Flex Connector 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...
      Makes installation quick and easyOptimal OE-style fit and quality
      $59.85 - $66.49
    • (1 review)
      # 73617631
      Pontiac Grand Prix 1999, GM Original Equipment™ Oxygen Sensor by ACDelco®. If your O2 sensor is not functioning properly, you are robbing yourself of performance and costing yourself money at the gas pump. Let ACDelco’s GM OE...
      ACDelco GM OE Oxygen Sensors earn the name ACDelco by being put through a variety of tests, often under extreme and unusual conditions.Detects oxygen content in the exhaust gases.
      $37.52 - $41.46
    • (0 reviews)
      # 485480137
      Pontiac Grand Prix Naturally Aspirated / Supercharged 1999, Professional™ Oxygen Sensor by ACDelco®. If your O2 Sensor is not functioning properly, you are robbing yourself of performance and costing yourself money at the gas...
      ACDelco Professional Oxygen Sensors earn the name ACDelco by being put through a variety of tests, often under extreme and unusual conditions.Customers can receive better gas mileage with a properly working oxygen sensor.
      $45.78 - $58.84
    • (0 reviews)
      # 81775584
      Pontiac Grand Prix GTP / SE 1999, Oxygen Sensor by Delphi®. As one of the leading suppliers of oxygen sensor technology since 1978, Delphi planar technology is the result of their OE and aftermarket engineers partnering together to...
      OE connectors and wire lengths within three inches of OE specificationsResists high temperatures, vibration damage and wire corrosion to protect signal accuracy, and long life
      $33.63 - $39.74
    • (0 reviews)
      # 44992095
      Pontiac Grand Prix 1999, Oxygen Sensor by Standard®. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $44.91 - $54.22
    • (0 reviews)
      # 485548122
      Pontiac Grand Prix 1999, Universal Fit Oxygen Sensor by Bosch®. 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
      $38.77
    • (0 reviews)
      # 21102517
      Pontiac Grand Prix 1999, Oxygen Sensor by Denso®. Denso's light duty oxygen sensor started to appear on vehicles with the development of fuel injection systems. The basic job of the sensor is to monitor the air fuel mixture under...
      Corrosion-resistant stainless steel constructionPTFE filter blocks efficiency-robbing contaminants
      $26.09 - $37.54
    • (0 reviews)
      # 22144720
      Pontiac Grand Prix 1999, Oxygen Sensor by NTK®. Thimble Type Sensors Feature a Ceramic Element that Projects into the Exhaust System and Becomes Electrically Conductive at High Temperature. The Sensor Element then Sends Voltage...
      Increases vehicle fuel economy and engine performance while decreasing vehicle exhaust emissionsDirect replacement
      $34.52 - $40.99
    • (0 reviews)
      # mpn770181280
      Pontiac Grand Prix 1999, Rubber Black Exhaust Hanger by Dorman®. Material: Rubber. Includes: 1 Exhaust Hanger. Dorman’s Exhaust Hanger installs easily to mount the exhaust to the vehicle. The Hanger is constructed from...
      Direct replacement for a proper fitReplacement restores the exhaust to proper operation
      $9.87
    • (3 reviews)
      # 18128600
      Pontiac Grand Prix 1999, Heavy Duty Steel Natural U-Bolt Clamp by Walker®. Material: Steel. With their extensive selection of accessories and hardware for the exhaust system, Walker will provide you with everything needed to do the...
      Makes installation quick and easyOptimal OE-style fit and quality
      $1.14 - $1.34
    • (0 reviews)
      # 513196470
      Pontiac Grand Prix 1999, GM Original Equipment™ Exhaust Manifold Gasket by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $9.37 - $15.43
    • (0 reviews)
      # 95034212
      Pontiac Grand Prix 3.8L 1999, Exhaust Flange Gasket by Bosal®. Bosal 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 Bosal,...
      Constructed for a hassle-free exhaust repairEnsures a precise fit
      $4.89 - $5.47
    • (0 reviews)
      # 231281086
      Pontiac Grand Prix 1999, 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,...
      Direct OEM replacement for a proper fitEnsures reliable sealing performance
      $5.58 - $24.77
    • (0 reviews)
      # 24201970
      Pontiac Grand Prix 1999, Exhaust Seal Ring 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
      $5.84 - $6.10
    • (0 reviews)
      # 24201967
      Pontiac Grand Prix 1999, Multi-Layer Steel Exhaust Manifold Gasket Set by Victor Reinz®. Material: Multi-Layer Steel. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art...
      High quality at an affordable priceExpertly made from premium materials
      $10.98 - $15.46
    • (0 reviews)
      # 231107831
      Pontiac Grand Prix 1999, Exhaust Manifold Gasket Set by DNJ Engine Components®. Get this top-grade quality replacement for your worn out part from DNJ. Expertly crafted from premium materials, this product is of the finest quality...
      Designed to restore your vehicle's original performanceProvides superior sealing performance
      $4.89 - $10.78
    • (0 reviews)
      # mpn520791
      Pontiac Grand Prix 3.1L 1999, Catalytic Converter Gasket by Victor Reinz®. Position: Rear. Flange Gasket. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and...
      High quality at an affordable priceExpertly made from premium materials
      $1.70
    • (1 review)
      # 18151851
      Pontiac Grand Prix 1999, Exhaust Gasket 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...
      Makes installation quick and easyOptimal OE-style fit and quality
      $3.58 - $8.21
    • (0 reviews)
      # mpn1017142
      Pontiac Grand Prix 3.1L 1999, Exhaust Flange Gasket by Bosal®. Bosal 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 Bosal,...
      Constructed for a hassle-free exhaust repairEnsures a precise fit
      $2.87




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