2018 Chevy Impala Exhaust Systems

Chevy Impala Exhaust - 2018
Select Your Submodel
2.5L
3.6L
  • Dorman® - Stainless Steel Natural Exhaust Manifold with Integrated Catalytic Converter
    Dorman®Stainless Steel Natural Exhaust Manifold with Integrated Catalytic Converter
    0
    # 5799243748
    Chevy Impala 3.6L with California Emission, PZEV Standard 2018, Natural Stainless Steel Exhaust Manifold with Integrated Catalytic Converter by Dorman®. Color: Natural. Header Coating: Uncoated. More like a complete kit than a single...
    Includes heat-shield for protection of hoses, wiring, and other engine componentsConstruction protects against warping and/or cracking
    $383.51 - $429.58
  • Eastern Catalytic® - ECO GM Stainless Steel Exhaust Manifold with Integrated Catalytic Converter
    Eastern Catalytic®ECO GM Stainless Steel Exhaust Manifold with Integrated Catalytic Converter
    0
    # 3668192784
    Chevy Impala 3.6L with California Emission 2018, ECO GM Stainless Steel Exhaust Manifold with Integrated Catalytic Converter by Eastern Catalytic®. If you need to replace your failed or damaged manifold, this product is the right...
    Direct OEM replacementConverts harmful engine emissions to less dangerous gases and water vapor
    $427.17 - $451.63
  • Dorman® - Cast Iron Natural Exhaust Manifold
    Dorman®Cast Iron Natural Exhaust Manifold
    0
    # mpn4987090310
    Chevy Impala 2.5L 2018, Cast Iron Natural Exhaust Manifold by Dorman®. This exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the original manifold on specified vehicles. It includes all...
    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
    $84.09
  • MagnaFlow® - OEM Grade Direct Fit Catalytic Converter
    MagnaFlow®OEM Grade Direct Fit Catalytic Converter
    0
    # 3803968052
    Chevy Impala 2.5L without PZEV Standard 2018, OEM Grade Catalytic Converter by MagnaFlow®. Converter Configuration: Direct Fit. Position: Front. If your car needs replacement, install one that will get you through the smog check. This...
    $489.00
  • AERO Exhaust® - TR Series 304 Stainless Steel Round Performance Exhaust Resonator
    AERO Exhaust®TR Series 304 Stainless Steel Round Performance Exhaust Resonator
    1
    # 4963665159
    Chevy Impala 2018, TR Series 304 Stainless Steel Round Performance Exhaust Resonator by AERO Exhaust®. Resonator Sound: Moderate. Resonator Configuration: Center - Center. The TR Series Resonators are the most popular resonators AERO...
    $59.99 - $65.99
  • Walker® - Replacement Exhaust Kit
    Walker®Replacement Exhaust Kit
    0
    # 1695989595
    Chevy Impala 3.6L 2018, 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
    $123.09 - $389.68
  • DIY Solutions® - Direct Fit Catalytic Converter
    DIY Solutions®Direct Fit Catalytic Converter
    0
    # mpn5019008206
    Chevy Impala 3.6L 2018, Catalytic Converter by DIY Solutions®. Converter Configuration: Direct Fit. If you're seeking to get your steel stallion back to its tip-top condition, then this top-notch replacement solution is what you should...
    $674.17
  • TRQ® - Direct Fit Catalytic Converter
    TRQ®Direct Fit Catalytic Converter
    0
    # mpn5019008316
    Chevy Impala 3.6L 2018, Catalytic Converter by TRQ®. Converter Configuration: Direct Fit. Position: Front Rearward. Made with quality in mind, this high-grade TRQ exhaust manifold fits right away without any trouble. It is built using...
    $274.95Save: $16.50 (6%)
    $258.45
  • Eastern Catalytic® - ECO GM Direct Fit Catalytic Converter
    Eastern Catalytic®ECO GM Direct Fit Catalytic Converter
    0
    # mpn4933441972
    Chevy Impala 2.5L 2018, ECO GM Catalytic Converter by Eastern Catalytic®. Converter Configuration: Direct Fit. Position: Front. Without O2 Sensor Port. Catalytic Converter Overall Length: 12.5". If you need to replace your failed or...
    $291.67
  • AERO Exhaust® - Turbine XL Series Round Performance Exhaust Muffler with Integrated Resonator
    AERO Exhaust®Turbine XL Series Round Performance Exhaust Muffler with Integrated Resonator
    0
    # mpn4658464767
    Chevy Impala 2018, Turbine XL Series Round Performance Exhaust Muffler with Integrated Resonator by AERO Exhaust®. Muffler Inlet Diameter: 2.5". Muffler Outlet Diameter: 2.5". Muffler Body Length: 20". Muffler Overall Length: 26"....
    $169.99
  • AERO Exhaust® - AR Series 304 Stainless Steel Round Performance Exhaust Resonator
    AERO Exhaust®AR Series 304 Stainless Steel Round Performance Exhaust Resonator
    1
    # 4963666117
    Chevy Impala 2018, AR Series 304 Stainless Steel Round Performance Exhaust Resonator by AERO Exhaust®. Resonator Body Length: 10". Resonator Overall Length: 14". Resonator Sound: Aggressive / Loud. Resonator Configuration: Center -...
    $59.99
  • Dorman® - Exhaust Manifold Hardware Kit
    Dorman®Exhaust Manifold Hardware Kit
    0
    # mpn4806244629
    Chevy Impala 2.5L 2018, 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 running...
    Direct replacement for a proper fitBuilt to Last
    $13.98
  • AERO Exhaust® - Turbine Series Round Performance Exhaust Muffler
    AERO Exhaust®Turbine Series Round Performance Exhaust Muffler
    1
    # mpn4658464716
    Chevy Impala 2018, Turbine Series Round Performance Exhaust Muffler by AERO Exhaust®. Muffler Inlet Diameter: 2.5". Muffler Outlet Diameter: 2.5". Muffler Body Length: 14". Muffler Overall Length: 20". Muffler Sound: Aggressive / Loud....
    $149.99
  • CATCO® - Direct Fit Catalytic Converter
    CATCO®Direct Fit Catalytic Converter
    0
    # 2997371759
    Chevy Impala 2018, Catalytic Converter by CATCO®. Converter Configuration: Direct Fit. Designed and manufactured with innovative fabrication methods, high-tech materials, and advanced coating, this converter leapfrogs the competition....
    $314.71 - $447.72
  • CATCO® - OBDII Universal Fit Round Body Enhanced Catalytic Converter
    CATCO®OBDII Universal Fit Round Body Enhanced Catalytic Converter
    0
    # 3804073922
    Chevy Impala 3.6L with California Emission / Federal Emission, PZEV Standard 2018, OBDII Enhanced Catalytic Converter by CATCO®. Converter Configuration: Universal Fit. Position: Rear. Catalytic Converter Body Shape: Round. Without Air...
    $172.60
  • ACDelco® - Genuine GM Parts™ Cast Iron Exhaust Manifold
    ACDelco®Genuine GM Parts™ Cast Iron Exhaust Manifold
    0
    # mpn4862765567
    Chevy Impala 2.5L 2018, Genuine GM Parts™ Cast Iron Exhaust Manifold by ACDelco®. Collector Outlet Diameter: 1.57" (40.00 mm). Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform...
    Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
    $166.38Save: $24.96 (15%)
    $141.42
  • CATCO® - Select Plus Tech Series OBDII Universal Fit Round Body Catalytic Converter
    CATCO®Select Plus Tech Series OBDII Universal Fit Round Body Catalytic Converter
    0
    # 3804121925
    Chevy Impala 3.6L with California Emission / Federal Emission, PZEV Standard 2018, Select Plus Tech Series OBDII Catalytic Converter by CATCO®. Converter Configuration: Universal Fit. Position: Rear. Catalytic Converter Body Shape:...
    $644.78
  • iD Select® - ECO GM Stainless Steel Exhaust Manifold with Integrated Catalytic Converter
    iD Select®ECO GM Stainless Steel Exhaust Manifold with Integrated Catalytic Converter
    0
    # 3668295787
    Chevy Impala 3.6L with California Emission 2018, ECO GM Stainless Steel Exhaust Manifold with Integrated Catalytic Converter by iD Select®. Swap out your worn-out or malfunctioning part with this top-notch exhaust product from iD...
    Direct OEM replacement for your malfunctioning exhaust partMade to deliver the ultimate in quality, reliability, and value
    $363.54 - $397.24
  • Patriot Exhaust® - Sprint Style Exhaust Header Weld-Up Kit
    Patriot Exhaust®Sprint Style Exhaust Header Weld-Up Kit
    0
    # 378526990
    Chevy Impala 2018, Sprint Style Exhaust Header Weld-Up Kit by Patriot Exhaust®. Collector Outlet Diameter: 3". This superior Patriot Exhaust product is just for you. Carefully designed for maximum performance, is will more than just...
    Expertly crafted from premium materialsQuality design and workmanship
    $243.08 - $305.95
  • Patriot Exhaust® - Steel Hi-Temp Black Coated Tight Tuck Street Rod Exhaust Headers
    Patriot Exhaust®Steel Hi-Temp Black Coated Tight Tuck Street Rod Exhaust Headers
    0
    # mpn4564004226
    Chevy Impala 2018, Steel Hi-Temp Black Coated Tight Tuck Street Rod Exhaust Headers by Patriot Exhaust®. Primary Tubing Diameter: 1.75". Collector Outlet Diameter: 2.5". Color: Black. Header Coating: Ceramic. This superior Patriot...
    Expertly crafted from premium materialsQuality design and workmanship
    $455.89
  • MagnaFlow® - Street Series™ Stainless Steel Cat-Back Exhaust System with Split Rear Exit
    MagnaFlow®Street Series™ Stainless Steel Cat-Back Exhaust System with Split Rear Exit
    0
    # mpn5082585332
    Chevy Impala Premier 2018, Street Series™ Stainless Steel Cat-Back Exhaust System with Split Rear Exit by MagnaFlow®. Exhaust System Type: Cat-Back. Exhaust Tubing Material: Stainless Steel. Main Tubing Diameter: 2.5". Exhaust System...
    $1,241.00
  • Walker® - Perforated Metal with Fiber Core and Fire Ring 2-Bolt Exhaust Pipe Flange Gasket
    Walker®Perforated Metal with Fiber Core and Fire Ring 2-Bolt Exhaust Pipe Flange Gasket
    2
    # mpn1847567
    Chevy Impala 3.6L 2018, Perforated Metal with Fiber Core and Fire Ring 2-Bolt Exhaust Pipe Flange Gasket by Walker®. With their extensive selection of accessories and hardware for the exhaust system, Walker will provide you with...
    Makes installation quick and easyOptimal OE-style fit and quality
    $3.44
  • Walker® - Aluminized Steel Exhaust Y-Pipe
    Walker®Aluminized Steel Exhaust Y-Pipe
    0
    # mpn4585800204
    Chevy Impala 3.6L 2018, Aluminized Steel Exhaust Y-Pipe by Walker®. Main Piping Diameter: 2.25". If you want exhaust piping that delivers precise OE-style fit, appearance, and reliability, this part is your number one choice. Every pipe...
    Designed to directly replace the factory partConstructed with OEM type connections
    $154.46
  • Fel-Pro® - Exhaust Manifold Gasket Set
    Fel-Pro®Exhaust Manifold Gasket Set
    0
    # mpn4552653344
    Chevy Impala 3.6L 2018, 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
    $8.66
  • ACDelco® - Genuine GM Parts™ Exhaust Manifold Gasket
    ACDelco®Genuine GM Parts™ Exhaust Manifold Gasket
    0
    # mpn4480621229
    Chevy Impala 2.5L 6T45 Transmission 2018, Genuine GM Parts™ Exhaust Manifold Gasket by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised....
    Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
    $10.49Save: $1.55 (15%)
    $8.94
  • Mahle® - Exhaust Manifold Gasket
    Mahle®Exhaust Manifold Gasket
    0
    # mpn4890264348
    Chevy Impala 2.5L 2018, Exhaust Manifold 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 and...
    High quality at an affordable priceExpertly made from premium materials
    $14.81
  • Mahle® - Exhaust Manifold Gasket Set
    Mahle®Exhaust Manifold Gasket Set
    0
    # mpn4890264721
    Chevy Impala 3.6L 2018, 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 needs...
    High quality at an affordable priceExpertly made from premium materials
    $7.18
  • Patriot Exhaust® - Exhaust Header Gaskets
    Patriot Exhaust®Exhaust Header Gaskets
    0
    # mpn3918361637
    Chevy Impala 2018, Exhaust Header Gaskets by Patriot Exhaust®. This superior Patriot Exhaust product is just for you. Carefully designed for maximum performance, is will more than just meet your needs and expectations. This product is...
    Manufactured from thick, tear resistant materialSpecifically cut to match all Patriot Exhaust headers
    $56.05
  • Patriot Exhaust® - Percy's Seal-4-Good™ Exhaust Header Gaskets
    Patriot Exhaust®Percy's Seal-4-Good™ Exhaust Header Gaskets
    0
    # 346300135
    Chevy Impala 2018, 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 flanges for...
    Special "dead soft" aluminum conforms to flange to make an excellent sealSolid metal gasket will not blow out
    $45.85
  • Walker® - Heavy Duty Steel Natural U-Bolt Clamp
    Walker®Heavy Duty Steel Natural U-Bolt Clamp
    3
    # 1888365387
    Chevy Impala 3.6L 2018, 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 exhaust job....
    Makes installation quick and easyOptimal OE-style fit and quality
    $2.24 - $2.45




Shop By Service Type

Popular Products

2018 Chevy Impala Exhaust Reviews

1 review
These are some damn good sounding mufflers, sound way better than any Flowmaster an cheaper an have such a better rumble an overall sound. Highly recommend, especially for pricewise as well.
Posted by Customer / March 15, 20202018 Chevy Silverado 1500
CARiD FacebookCARiD TwitterCARiD YouTube ChannelCARiD PinterestCARiD Instagram
Inspiration Gallery
All manufacturer names, symbols, and descriptions, used in our images and text are used solely for identification purposes only. It is neither inferred nor implied that any item sold by CARiD.com is a product authorized by or in any way connected with any vehicle manufacturers displayed on this page.
CUSTOMER SERVICE
INFORMATION
CONTACTS