2021 Nissan Altima Exhaust Systems
Select Your Submodel
- AERO Exhaust®AR Series 304 Stainless Steel Round Performance Exhaust ResonatorNissan Altima 2021, AR Series 304 Stainless Steel Round Performance Exhaust Resonator by AERO Exhaust®. Resonator Inlet Diameter: 2.5". Resonator Outlet Diameter: 2.5". Resonator Body Length: 10". Resonator Overall Length: 14"....$59.99
- Stillen®304 SS Axle-Back Exhaust System with Split Rear ExitNissan Altima AWD 2.5L 2021, 304 SS Axle-Back Exhaust System with Split Rear Exit by Stillen®. Exhaust System Type: Axle-Back. Exhaust Tubing Material: 304 SS. Exhaust System Sound: Mild at Idle / Cruising-Aggressive Note Under...$706.80
- Original (OEM)Exhaust PartsThe exhaust system is vital to your engine's health and performance since it is responsible for carrying exhaust gases away from the vehicle. The system has many parts connecting it to the engine. All of them perform a special function...
- Nissan OEExhaust System - Exhaust ComponentsNissan Altima 2021, Exhaust System - Exhaust Components by Nissan OE. Rely on superior-grade Nissan OE parts to maintain your Nissan and keep it in like-new condition for a long time. Made to strict standards of quality using innovative...Genuine Nissan OEM part that offers superior quality and fitmentEngineered and tested to meet all Nissan standards$16.30 - $620.44
- Nissan OEExhaust System - Exhaust Components (2.0L)Nissan Altima 2.0L 2021, Exhaust System - Exhaust Components by Nissan OE. Rely on superior-grade Nissan OE parts to maintain your Nissan and keep it in like-new condition for a long time. Made to strict standards of quality using...Genuine Nissan OEM part that offers superior quality and fitmentEngineered and tested to meet all Nissan standards$18.80 - $1,153.39
- Nissan OEExhaust System - Exhaust Components (AWD 2.5L)Nissan Altima AWD 2.5L 2021, Exhaust System - Exhaust Components by Nissan OE. Rely on superior-grade Nissan OE parts to maintain your Nissan and keep it in like-new condition for a long time. Made to strict standards of quality using...Genuine Nissan OEM part that offers superior quality and fitmentEngineered and tested to meet all Nissan standards$11.05 - $774.19
- Dorman®Exhaust Manifold Hardware KitNissan Altima 2021, 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 its...Direct replacement for a proper fitBuilt to Last$14.70
- Eastern Catalytic®Standard Direct Fit Catalytic ConverterNissan Altima FWD 2.5L with California Emission / Federal Emission 2021, Standard Catalytic Converter by Eastern Catalytic®. Converter Configuration: Direct Fit. Position: Rear. With 2 O2 Sensor Ports. Catalytic Converter Overall...$245.86
- AERO Exhaust®TR Series 304 Stainless Steel Round Performance Exhaust ResonatorNissan Altima 2021, 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 - $80.99
- AERO Exhaust®Turbine Series Round Performance Exhaust MufflerNissan Altima 2021, 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
- Walker Products®Premium Oxygen SensorNissan Altima 2021, Premium Oxygen Sensor by Walker Products®. Walker Oxygen Sensors are precision made for outstanding performance and manufactured to meet or exceed all original equipment specifications and test requirements. The...Improved Engine Response & PerformanceLower Emissions$84.44 - $162.04
- Nissan OEEmission System (2.0L)Nissan Altima 2.0L 2021, Emission System by Nissan OE. Rely on superior-grade Nissan OE parts to maintain your Nissan and keep it in like-new condition for a long time. Made to strict standards of quality using innovative technology and...Genuine Nissan OEM part that offers superior quality and fitmentEngineered and tested to meet all Nissan standards$25.88 - $344.13
- Nissan OEEmission System (AWD 2.5L)Nissan Altima AWD 2.5L 2021, Emission System by Nissan OE. Rely on superior-grade Nissan OE parts to maintain your Nissan and keep it in like-new condition for a long time. Made to strict standards of quality using innovative technology...Genuine Nissan OEM part that offers superior quality and fitmentEngineered and tested to meet all Nissan standards$10.27 - $574.96
- Nissan OEEmission System (FWD 2.5L)Nissan Altima FWD 2.5L 2021, Emission System by Nissan OE. Rely on superior-grade Nissan OE parts to maintain your Nissan and keep it in like-new condition for a long time. Made to strict standards of quality using innovative technology...Genuine Nissan OEM part that offers superior quality and fitmentEngineered and tested to meet all Nissan standards$10.27 - $574.96
- Kooks®Stainless Steel Round Stafford Spec Silver Exhaust Muffler (3.5" ID, 3.5" OD, 10" Length)Universal Stainless Steel Round Stafford Spec Silver Exhaust Muffler by Kooks®. Muffler Inlet Diameter: 3.5". Muffler Outlet Diameter: 3.5". Muffler Body Length: 10". Muffler Overall Length: 15.5". Muffler Sound: Aggressive / Loud. This...$64.02
- Pypes®Race-Pro Series 304 SS Round Silver Exhaust Muffler (2.5" Center ID, 2.5" Center OD, 14" Length)Universal Race-Pro Series 304 SS Round Silver Exhaust Muffler by Pypes®. Muffler Inlet Diameter: 2.5". Muffler Outlet Diameter: 2.5". Muffler Body Length: 14". Muffler Sound: Aggressive / Loud. Muffler Configuration: Center - Center....$70.75
- 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
- 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...$40.43 - $79.32
- AP Exhaust®Xlerator Performance Exhaust Muffler with Inlet/Outlet NeckUniversal Xlerator Performance Exhaust Muffler with Inlet/Outlet Neck by AP Exhaust®. Today’s exhaust performance market continues to cover a broad spectrum of vehicles. The unique nature of this market is that a product demand is not...Deep performance soundIncreased exhaust flow$25.34 - $62.13
- Black Widow®Race Venom Angry Housewife™ Stainless Steel Oval Gray Exhaust MufflerUniversal Race Venom Angry Housewife™ Stainless Steel Oval Gray Exhaust Muffler by Black Widow®. Muffler Sound: Aggressive / Loud. Black Widow Race Venom series mufflers have the same patent pending internal hourglass design as the...$99.00 - $114.00
- 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
- Borla®S-Type™ Stainless Steel Round Gray Exhaust MufflerUniversal S-Type™ Stainless Steel Round Gray Exhaust Muffler by Borla®. Muffler Inlet Diameter: 2.5". Muffler Outlet Diameter: 2.5". Muffler Body Length: 10". Muffler Overall Length: 15". Muffler Sound: Mild / Stock. Muffler...$191.99 - $197.99
- Flowmaster®40 Series Delta Flow™ Aluminized Steel Oval Black Exhaust MufflerUniversal 40 Series Delta Flow™ Aluminized Steel Oval Black Exhaust Muffler by Flowmaster®. Without Hangers. Muffler Body Length: 13". Muffler Overall Length: 19". Muffler Sound: Aggressive / Loud. Muffler Structure: Chambered. The...$129.95 - $133.95
- Flowmaster®40 Series Delta Flow™ Aluminized Steel Oval Black Exhaust Muffler (2.5" Offset ID, 2.5" Offset OD, 13" Length)Universal 40 Series Delta Flow™ Aluminized Steel Oval Black Exhaust Muffler by Flowmaster®. Without Hangers. Muffler Inlet Diameter: 2.5". Muffler Outlet Diameter: 2.5". Muffler Body Length: 13". Muffler Overall Length: 19". Muffler...$133.95
- Flowmaster®Pro Series™ Stainless Steel Round Laminar Flow Black Exhaust Muffler (5" Center ID, 5" Center OD, 20" Length)Universal Pro Series™ Stainless Steel Round Laminar Flow Black Exhaust Muffler by Flowmaster®. Muffler Inlet Diameter: 5". Muffler Outlet Diameter: 5". Muffler Body Length: 20". Muffler Overall Length: 26". Muffler Sound: Moderate....$284.22
- Flowmaster®Pro Series™ Stainless Steel Round Race Black Exhaust Muffler with Turn DownUniversal Pro Series™ Stainless Steel Round Race Black Exhaust Muffler with Turn Down by Flowmaster®. Muffler Outlet Diameter: 3.5". Muffler Body Length: 16". Muffler Overall Length: 22". Muffler Sound: Moderate. Muffler Structure:...$265.95 - $272.95
- Black Widow®Widowmaker™ Stainless Steel Round Gray Exhaust MufflerUniversal Widowmaker™ Stainless Steel Round Gray Exhaust Muffler by Black Widow®. Muffler Body Length: 10". Muffler Sound: Aggressive / Loud. Muffler Configuration: Center - Center. Black Widow MOST AGGRESSIVE muffler yet and with...$124.00 - $134.00
- Skunk2®MegaPower™ Stainless Steel Round J-SPEC Silver Exhaust Muffler (3" Center ID, 5.25" Center OD, 22" Length)Universal MegaPower™ Stainless Steel Round J-SPEC Silver Exhaust Muffler by Skunk2®. Muffler Inlet Diameter: 3". Muffler Outlet Diameter: 5.25". Muffler Body Length: 22". Muffler Sound: Moderate. Muffler Structure: Multi Core. Muffler...$192.46
- Skunk2®MegaPower™ Stainless Steel Silver Exhaust Muffler (2.25" Center ID, 4" Center OD, 19" Length)Universal MegaPower™ Stainless Steel Silver Exhaust Muffler by Skunk2®. Muffler Inlet Diameter: 2.25". Muffler Outlet Diameter: 4". Muffler Body Length: 19". Muffler Sound: Moderate. Muffler Structure: Multi Core. Muffler...$192.46
- Walker®Steel Oval Installer Turbo Aluminized Exhaust MufflerUniversal Steel Oval Installer Turbo Aluminized Exhaust Muffler by Walker®. These mufflers combine Walker® quality and engineering with solution-driven technology to absorb unwanted engine and engine brake noise without sacrificing...Specifically Engineered for Class 7 and 8 vehiclesA bolt-on Solution for Excessive Engine Brake Noise$32.82 - $36.34
Shop By Service Type
2021 Nissan Altima Exhaust Reviews
5 reviews
I Would Definitely Buy Again
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