1991 Jeep Wrangler Performance Exhaust Systems

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    • (0 reviews)
      # mpn849355
      Jeep Wrangler 4.0L 1991, Force II™ Aluminized Steel Single Cat-Back Exhaust System by Flowmaster®. Exhaust Type: Cat-Back. Exhaust Tubing Material: Aluminized Steel. Main Tubing Diameter: 2.25". System Sound: Mild Tone. The Force...
      Increases PowerIncreases Torque
      $299.97
    • (0 reviews)
      # 231131194
      Jeep Wrangler 4.0L 1991, Performance Short Tube Exhaust Headers by Gibson®. Primary Tubing Diameter: 1.5". Collector Outlet Diameter: 3.5". Emissions: CARB compliant. Header Style: Short Tube. Includes: Premium Gaskets and all...
      Increases low and mid-range horsepower and torqueIncreases engine efficiency
      $365.89 - $500.45
    • (0 reviews)
      # mpn1149671
      Jeep Wrangler With PRE-OBDII Models 1991, Pre-OBDII Catalytic Converter by MagnaFlow®. Emissions: CARB compliant. Converter Configuration: Direct Fit. With Gasket. With Air Tube. Without O2 Sensor Port. Catalytic Inlet Diameter:...
      Increases exhaust flow compared to original factory converterIncreased exhaust flow allows your engine to make more power
      $281.66
    • (1 review)
      # 332907280
      Jeep Wrangler 1991, Twisted Steel™ 409 SS Exhaust Headers by aFe®. The new Twisted Steel performance header from aFe Power is redefining the header industry with the new pulse control technology. aFe engineers have designed this...
      Optimized Tube Lengths Improve Flow and Performance100% hand MIG-welded construction ensures optimal strength and durability
      $429.00 - $629.00
    • (0 reviews)
      # 87573294
      Jeep Wrangler 4.0L 1991, Touring™ Stainless Steel Cat-Back Exhaust System by Borla®. Exhaust Type: Cat-Back. Exhaust Tubing Material: Stainless Steel. Main Tubing Diameter: 2.25" to 2". System Sound: Mild Tone. When you want the...
      Increases horsepower and torqueIncreased Exhaust Flow for Better Performance
      $499.99
    • (0 reviews)
      # mpn1097007
      Jeep Wrangler 1991, Off-Road Pro 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: Aggressive. The Off Road...
      Designed for Serious Off Road RacingTurn Down Before the Axle Configuration
      $313.80
    • (0 reviews)
      # mpn1095584
      Jeep Wrangler 1991, MagnaFlow 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. These premium line...
      Made in the U.S.A.All Mandrel Bent Tubing
      $517.78
    • (0 reviews)
      # 44198545
      Jeep Wrangler 1991, Swept Side™ Single Cat-Back Exhaust System by Gibson®. Exhaust Type: Cat-Back. Main Tubing Diameter: 2.5". System Sound: Aggressive. Get increased horsepower and torque in the rpm range where you need it most,...
      Less restriction for increased exhaust flowIncreases horsepower and torque
      $316.26 - $389.36
    • (0 reviews)
      # 45909543
      Jeep Wrangler 4.0L 1991, Monster™ Stainless Steel Single Exhaust System by Banks®. Exhaust Tubing Material: Stainless Steel. Main Tubing Diameter: 2.5". You'll appreciate the Monster Muffler's polished stainless finish and...
      Large-diameter stainless steel pipes and mufflerConstant-diameter mandrel-bent SS tubing
      $289.00
    • (0 reviews)
      # mpn673390
      Jeep Wrangler 4.0L 1991, Mach Force XP™ 409 SS Hi-Tuck Cat-Back Exhaust System by aFe®. Exhaust Type: Cat-Back. Exhaust Tubing Material: 409 SS. Main Tubing Diameter: 3". System Sound: Mellow. Get increased exhaust flow, more...
      Increases horsepower and torqueImproves performance
      $399.00
    • (0 reviews)
      # mpn2194939
      Jeep Wrangler 1991, Super Turbo™ Aluminized Steel Single Cat-Back Exhaust System by DynoMax®. Exhaust Type: Cat-Back. Exhaust Tubing Material: Aluminized Steel. Main Tubing Diameter: 2.25". Get improved exhaust flow and reduced...
      Constructed to increase horsepower and torque thanks to improved exhaust flowStainless steel Super Turbo muffler will maintain a mellow performance tone
      $181.94
    • (0 reviews)
      # mpn478124647
      Jeep Wrangler 1991, TFX™ Aluminized Steel Cat-Back Exhaust System by PaceSetter®. Exhaust Type: Cat-Back. Exhaust Tubing Material: Aluminized Steel. Main Tubing Diameter: 3". If you want to get the most out of your vehicle, this...
      Installs behind catalytic converter, legal in all statesReady to install, nothing else to buy
      $239.83
    • (0 reviews)
      # mpn1953790
      Jeep Wrangler 4.0L Standard Transmission 1991, Stainless Steel Long Tube Exhaust Header by Borla®. Emissions: CARB compliant. Primary Tubing Diameter: 1.5". Collector Outlet Diameter: 2.25". Color: Silver. Header Coating: Uncoated....
      Austenitic 304 stainless steel tubing means a lifetime product that won't ever corrode or deteriorateAll bends are mandrel-bent for smooth transitions and maximum flow characteristics
      $899.99
    • (0 reviews)
      # 346428250
      Jeep Wrangler 1991, Exhaust Manifold System by Banks®. Cast OEM exhaust manifolds just are too restrictive. Replacing them with Banks Torque Tubes will substantially reduce the backpressure where it counts, right at the exhaust...
      Shorty style fits in stock engine bayImproves power, reduces fuel consumption
      $399.10 - $438.13
    • (0 reviews)
      # 332907290
      Jeep Wrangler 4.0L 1991, Tuned Length Steel Shorty Exhaust Headers by BBK®. Primary Tubing Diameter: 1.5". Header Style: Short Tube. Gain 15-20 dyno-proven horsepower at the rear wheels just by bolting on a set of BBK long tube,...
      Dyno testing results show a typical increase of 15-20 horsepower at the rear wheelsDeveloped using CAD (Computer Aided Design) software
      $299.99 - $399.99
    • (0 reviews)
      # 231131204
      Jeep Wrangler Renegade 1991, Exhaust Header by Rugged Ridge®. Primary Tubing Diameter: 1.5". Collector Outlet Diameter: 2.25". Emissions: EPA compliant. Replace your restrictive factory exhaust manifold with this free-flowing...
      Improves exhaust flowIncreases horsepower and torque
      $267.99 - $599.99
    • (0 reviews)
      # 221600468
      Jeep Wrangler 4.0L 1991, Cat4ward Stainless Steel Shorty Exhaust Headers by JBA®. Primary Tubing Diameter: 1.5". Collector Outlet Diameter: 2.5". Emissions: CARB compliant. Header Style: Short Tube. Includes: Hardware, Gaskets. JBA...
      Mandrel-bent stainless steel primary tubesPatented JBA Firecone® collector
      $401.45 - $552.67
    • (0 reviews)
      # 81961011
      Jeep Wrangler 1991, Mild Steel Exhaust Header by PaceSetter®. Primary Tubing Diameter: 1.5". Emissions: CARB compliant. Manufactured using mandrel-bent, 16-gauge mild steel tubing and port-matched, CNC-machined, 3/8"-thick head...
      Mandrel-Bent 16 Gauge Mild Steel TubingTubes Enter Collector In Proper Firing
      $224.85 - $595.68
    • (0 reviews)
      # mpn2095010435
      Jeep Wrangler 4.0L 1991, Improved Design Exhaust Manifold Stainless Steel Natural Exhaust Header by ATP®. Improved Aftermarket Stainless Steel Versio. Emissions: EPA compliant. Color: Silver. Header Coating: Uncoated. Includes: (1)...
      Manufactured to OE design ensuring manifold will line up and flow like the original unitHigh grade metallurgy resists fatigue cracking and breakage
      $168.12
    • (0 reviews)
      # mpn3513651651
      Jeep Wrangler 4.0L 1991, 304 SS 4-2-1 Tri-Y Exhaust Header by Doug Thorley Headers®. Emissions: CARB compliant. This complete tri-y header kit will really wake up the motor on your 4.0L Jeep. Tri-Y (or 4 into 2 into 1) style...
      $549.00
    • (0 reviews)
      # mpn1123112
      Jeep Wrangler 4.0L 1991, Standard Catalytic Converter by MagnaFlow®. Emissions: EPA compliant. Converter Configuration: Direct Fit. With Gasket. With Air Tube. With Pre and Post-Cat O2 Sensor Ports. Catalytic Inlet Diameter: 2.5"....
      Converter body manufactured from heavy-duty stainless steelIncreases exhaust flow compared to original factory converter
      $124.16
    • (0 reviews)
      # 317024020
      Jeep Wrangler 1991, Standard Catalytic Converter by MagnaFlow®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Without O2 Sensor Port. If your car needs replacement, install...
      Reduces harmful emissionsIncreases exhaust flow compared to original factory converter
      $72.07 - $120.58
    • (0 reviews)
      # mpn1085310
      Jeep Wrangler With PRE-OBDII Models 1991, Pre-OBDII Catalytic Converter by MagnaFlow®. Emissions: CARB compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Without Air Tube. Without O2 Sensor...
      Reduces harmful emissionsIncreases exhaust flow compared to original factory converter
      $182.94
    • (0 reviews)
      # mpn1695495
      Jeep Wrangler 4.0L 1991, Monster™ Stainless Steel Oval Exhaust Muffler by Banks®. Muffler Inlet Diameter: 2.5". Muffler Outlet Diameter: 2.5". Muffler Body Length: 13.65". Get increased power and torque from reduced backpressure...
      Reduces Back-pressure and Increases Exhaust Flow100% Stainless Steel
      $163.42
    • (0 reviews)
      # mpn2195340
      Jeep Wrangler 1991, Ultra Flo™ Polished Stainless Steel Oval Exhaust Muffler by DynoMax®. Muffler Inlet Diameter: 2.25". Muffler Outlet Diameter: 2.25". Muffler Body Length: 14". Muffler Overall Length: 19". Muffler Sound:...
      Unrestricted, straight-through design for a dyno-proven increase in horsepower and torqueEngineered to give your car a deep performance tone
      $88.29
    • (0 reviews)
      # mpn2195490
      Jeep Wrangler 1991, Ultra Flo™ Welded Stainless Steel Oval Exhaust Muffler by DynoMax®. Muffler Inlet Diameter: 2.25". Muffler Outlet Diameter: 2.25". Muffler Body Length: 14". Muffler Overall Length: 19". Muffler Sound:...
      Unrestricted, straight-through design for a dyno-proven increase in horsepower and torqueEngineered to give your car a deep performance tone
      $84.57
    • (0 reviews)
      # mpn2194961
      Jeep Wrangler 1991, Super Turbo™ Aluminized Steel Oval Exhaust Muffler by DynoMax®. Muffler Inlet Diameter: 2.25". Muffler Outlet Diameter: 2.25". Muffler Body Length: 14". Muffler Overall Length: 18.5". Muffler Sound: Mild /...
      Constructed to increase horsepower and torque thanks to improved exhaust flowAluminized steel Super Turbo muffler maintains a mellow performance tone
      $52.74
    • (0 reviews)
      # mpn2195167
      Jeep Wrangler 1991, Aluminized Steel Tailpipe by DynoMax®. Material: Aluminized Steel. With their great selection of exhaust pipes and accessories, DynoMax will provide you with everything necessary to complete the exhaust job....
      Designed to ensure unrestricted exhaust flowDirect fit – no modifications needed to install
      $94.51
    • (0 reviews)
      # mpn3003713141
      Jeep Wrangler 4.0L 1991, Stainless Steel Natural Non-Catted Mid-Pipes by JBA®. Material: Stainless Steel. JBA mid-pipes are the perfect compliment to your JBA Headers or JBA Exhaust system. These systems open up the flow on exhaust...
      O2 sensor provisionsFactory style hangers
      $202.14
    • (0 reviews)
      # mpn470446050
      Jeep Wrangler 1991, Flange Gasket by M.O.R.E.®. Tired of blowing out your exhaust gaskets? Replace the flange with our heavy duty exhaust flange! 3/8" thick for 2-1/2" exhaust.
      High quality at an affordable priceExpertly made from premium materials
      $17.43
    • (0 reviews)
      # 115306591
      Jeep Wrangler 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 precision...
      Mufflers and Resonators Designed for OE equivalent sound and precision fitOE-style louvered tube technology for a premium, factory-like sound
      $29.50 - $188.66
    • (0 reviews)
      # 234015779
      Jeep Wrangler 1991, Replacement Exhaust Kit by Omix-ADA®. Mufflers and tailpipes corrode from within and without, eventually developing holes where exhaust escapes. Depending on the location, these holes can increase exhaust noise...
      Performs according to OEM specificationsMeets or exceeds OEM quality standards
      $264.42 - $350.51
    • (0 reviews)
      # 16675073
      Jeep Wrangler 1991, Replacement Exhaust Kit by Crown®. Includes Complete Kit. Crown Automotive is just the ticket if you want to get the most out of your vehicle as well as revel in a more exciting driving experience. You will...
      Developed to improve your driving experienceConstructed to ensure ultimate operation
      $370.18 - $414.60
    • (0 reviews)
      # 165483599
      Jeep Wrangler 1991, 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
      $34.46 - $102.91
    • (0 reviews)
      # 466267467
      Jeep Wrangler 1991, Natural Inline Exhaust Manifold by Dorman®. Finish: Natural. More like a complete kit than a single part, many of the Exhaust Manifolds include gaskets and hardware for a complete installation. Since this part...
      High Quality tubular construction protects against warping and/or crackingLeak-resistant for long-lasting performance
      $70.95 - $146.95
    • (0 reviews)
      # 157490655
      Jeep Wrangler 1991, Exhaust Manifold by Omix-ADA®. Emissions: EPA compliant. Exhaust manifolds are generally very durable, but eventually they can develop cracks from the repeated expansion and contraction of the metal as the...
      Performs according to OEM specificationsMeets or exceeds OEM quality standards
      $137.35
    • (0 reviews)
      # 4504375
      Jeep Wrangler 1991, Exhaust Manifold Kit by Omix-ADA®. Emissions: EPA compliant. Exhaust manifolds are generally very durable, but eventually they can develop cracks from the repeated expansion and contraction of the metal as the...
      Performs according to OEM specificationsMeets or exceeds OEM quality standards
      $137.35
    • (0 reviews)
      # mpn964596
      Jeep Wrangler 4.0L 1991, Exhaust Manifold by Crown®. Crown Automotive is just the ticket if you want to get the most out of your vehicle as well as revel in a more exciting driving experience. You will surely get a real bang for...
      Developed to improve your driving experienceConstructed to ensure ultimate operation
      $162.87
    • (0 reviews)
      # mpn1741899441
      Jeep Wrangler Base / Islander / Renegade / Sahara 1991, Exhaust Header Kit by Crown®. Crown Automotive is just the ticket if you want to get the most out of your vehicle as well as revel in a more exciting driving experience. You...
      Developed to improve your driving experienceConstructed to ensure ultimate operation
      $287.71
    • (0 reviews)
      # mpn957379
      Jeep Wrangler 2.5L 1991, Exhaust Manifold Kit by Crown®. Crown Automotive is just the ticket if you want to get the most out of your vehicle as well as revel in a more exciting driving experience. You will surely get a real bang...
      Developed to improve your driving experienceConstructed to ensure ultimate operation
      $152.45
    • (0 reviews)
      # mpn1741899440
      Jeep Wrangler 1991, Heavy Duty Exhaust Header by Crown®. Crown Automotive is just the ticket if you want to get the most out of your vehicle as well as revel in a more exciting driving experience. You will surely get a real bang...
      Developed to improve your driving experienceConstructed to ensure ultimate operation
      $199.90
    • (0 reviews)
      # 231315749
      Jeep Wrangler 1991, Exhaust Manifold Natural Exhaust Manifold by ATP®. Emissions: EPA compliant. 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
      $70.96 - $158.96
    • (0 reviews)
      # 124115058
      Jeep Wrangler 1991, Ultra™ Catalytic Converter by Walker®. Emissions: EPA compliant. Converter Configuration: Direct Fit. Catalytic Converter Body Shape: Standard Oval. With 1 Inlet. Without Air Tube. Without O2 Sensor Port....
      Emission Warranty: 25,000 Miles (40,000 Kilometers)Structural Warranty: 5 Years / 50,000 Miles (80,000 Kilometers)
      $87.81
    • (0 reviews)
      # mpn1778210
      Jeep Wrangler 1991, CalCat™ Catalytic Converter by Walker®. Emissions: CARB compliant. Converter Configuration: Direct Fit. Catalytic Converter Body Shape: Small Oval. With 1 Inlet. Without O2 Sensor Port. Catalytic Converter...
      Designed to meet your vehicle’s specific emissions requirementsDirect fit replacement
      $188.66
    • (0 reviews)
      # mpn1635680
      Jeep Wrangler 1991, CalCat™ Catalytic Converter by Walker®. Emissions: CARB compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Large Oval. 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
      $104.52
    • (0 reviews)
      # 124115064
      Jeep Wrangler 1991, Ultra™ Catalytic Converter by Walker®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Large Oval. With 1 Inlet. With Air Tube. Without O2 Sensor Port....
      Emission, Structural Warranty: 5 Years / 50,000 Miles (80,000 Kilometers)Comply with specific pre-OBDII and OBDII requirements in the state of California
      $67.44
    • (0 reviews)
      # mpn1038895
      Jeep Wrangler 1991, Catalytic Converter by Bosal®. Emissions: EPA compliant. Converter Configuration: Direct Fit. If you’re in need of a replacement catalytic converter, you can’t do better than Bosal. They’re a leading...
      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
      $97.33
    • (0 reviews)
      # 286287896
      Jeep Wrangler 1991, Standard Catalytic Converter by Eastern®. Emissions: EPA compliant. Converter Configuration: Direct Fit. Position: Undercar. Without O2 Sensor Ports. If you need to replace your failed or damaged catalytic...
      Direct OEM replacementConverts harmful engine emissions to less dangerous gases and water vapor
      $93.11 - $105.74
    • (0 reviews)
      # mpn1206824
      Jeep Wrangler With T-1 Pre OBDII Trucks Weight Class 1991, ECO CARB Catalytic Converter by Eastern®. Emissions: CARB compliant. Converter Configuration: Universal Fit. Position: Center. Catalytic Converter Body Shape: Large Oval....
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $107.03
    • (0 reviews)
      # 100290767
      Jeep Wrangler 1991, Standard Catalytic Converter by Eastern®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Position: Undercar. Catalytic Converter Body Shape: Oval. Without O2 Sensor Ports. Catalytic Converter...
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $38.30 - $39.51
    • (0 reviews)
      # 4504174
      Jeep Wrangler 1991, Catalytic Converter by Omix-ADA®. Emissions: EPA compliant. Converter Configuration: Direct Fit. Position: Front. The catalytic converter converts harmful gases like Carbon Monoxide (CO) and unburned...
      Reduces harmful emissionsRestores performance
      $218.33 - $222.08
    • (0 reviews)
      # mpn948465
      Jeep Wrangler 1991, Catalytic Converter by Crown®. Emissions: EPA compliant. Converter Configuration: Direct Fit. Position: Rear. Crown Automotive is just the ticket if you want to get the most out of your vehicle as well as revel...
      Developed to improve your driving experienceConstructed to ensure ultimate operation
      $229.50
    • (0 reviews)
      # 465946351
      Jeep Wrangler 1991, Catalytic Converter by AP Exhaust®. Emissions: EPA compliant. Converter Configuration: Direct Fit. Without Air Tube. Without O2 Sensor Port. Catalytic Converter Overall Length: 22". The growing concern for the...
      Manufactured from high quality materialsDesign meet needs of OBDII equipped vehicles
      $102.91
    • (0 reviews)
      # 466018291
      Jeep Wrangler 1991, Standard Duty Catalytic Converter by AP Exhaust®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Without Air Tube. Without O2 Sensor Port. Catalytic Inlet...
      Manufactured from high quality materialsDesign meet needs of OBDII equipped vehicles
      $50.37
    • (0 reviews)
      # 35474695
      Jeep Wrangler 1991, Quiet-Flow™ Stainless Steel Oval Aluminized Exhaust Muffler by Walker®. Muffler Inlet Diameter: 2.25". Muffler Outlet Diameter: 2.25". Muffler Body Length: 17". Muffler Overall Length: 20.5". Muffler...
      Designed for OE equivalent sound and precision fitSpun-locked heads for a proper resistance to backfire
      $56.85
    • (0 reviews)
      # 35474698
      Jeep Wrangler 1991, SoundFX™ Stainless Steel Oval Direct-Fit Aluminized Exhaust Muffler by Walker®. Optional. Muffler Inlet Diameter: 2.25". Muffler Outlet Diameter: 2.25". Muffler Body Length: 17". Muffler Overall Length: 20.5"....
      Designed to deliver ultimate performance and pleasing sound qualityOE-equivalent direct-fit design
      $29.50
    • (0 reviews)
      # 258776341
      Jeep Wrangler 1991, SoundFX™ Stainless Steel Oval Aluminized Exhaust Muffler by Walker®. Optional. Muffler Inlet Diameter: 2". Muffler Outlet Diameter: 2". Muffler Body Length: 16". Muffler Overall Length: 20.75". Muffler...
      Designed to deliver ultimate performance and pleasing sound qualityMay require a few modifications to install
      $27.39
    • (0 reviews)
      # mpn1185013
      Jeep Wrangler 2.5L 1991, Oval Exhaust Muffler by Omix-ADA®. Continuous Roving Fiberglass Filling. Muffler Overall Length: 12.25". Muffler Configuration: Offset - Offset. Mufflers corrode from within and without, eventually...
      Performs according to OEM specificationsMeets or exceeds OEM quality standards
      $181.86
    • (0 reviews)
      # mpn990824
      Jeep Wrangler 2.5L 1991, Oval Exhaust Muffler by Crown®. Crown Automotive is just the ticket if you want to get the most out of your vehicle as well as revel in a more exciting driving experience. You will surely get a real bang...
      Developed to improve your driving experienceConstructed to ensure ultimate operation
      $88.84
    • (0 reviews)
      # mpn992001
      Jeep Wrangler 1991, Exhaust Muffler and Tailpipe Kit by Crown®. Crown Automotive is just the ticket if you want to get the most out of your vehicle as well as revel in a more exciting driving experience. You will surely get a real...
      Developed to improve your driving experienceConstructed to ensure ultimate operation
      $170.29




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