Nissan Maxima Complete Cat Back Exhaust System - 1AEMK00048

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Vehicle Fit


  • Includes:
    • (1) - Intermediate Resonator Pipe
    • (1) - Rear Muffler
    • (2) - Gaskets
  • Replaces all components behind the converter
  • Direct fit replacements
  • Installs & fits just like the factory exhaust
  • No modifications necessary
  • Built to strict quality control standards
  • Replaces dealer part numbers: 203003Y400, 20300 3Y400, 2069224U00, 20692 65J00, 20692 8B410, 20691 30P00, 2069224U00, 2069265J00, 206928B410, 2069130P00, 20100 3Y370, 201003Y370
  • Does not include rear muffler flange hardware

Item Condition: New

Lifetime Warranty

This item is backed by our limited lifetime warranty. In the event this item should fail due to manufacturing defects during intended use, we will replace the part free of charge.

Due to the nature and size, exhaust parts may incur minor dents or scratches from handling and load shifting during shipping. These damages do not affect the fit or function of the part. Neither our 60 Day satisfaction guarantee, nor the manufacturer's warranty, cover these insignificant damages.

  1. step : Removing the Muffler (0:52)
    • Spray the two 18mm nuts that hold the exhaust midpipe with penetrating oil
    • Hold the studs with a 16mm wrench
    • Remove the nuts with an 18mm deep socket
    • Remove the three rubber supports from their slots that hold the muffler
    • Pull the muffler through
  2. step : Installing the New Muffler (2:44)
    • Insert the muffler into place
    • Insert the rubber mounts into their slots
    • Place the exhaust gasket between the two exhaust pipes
    • Pinch the gasket by starting the nuts
    • Use a screwdriver to guide the gasket
    • Tighten the 18mm nuts

Tools needed for replacement:

    General Tools

  • Floor Jack
  • Jack Stands

  • Materials, Fluids, and Supplies

  • Rust Penetrant

  • Ratchets & Related

  • A Piece of Pipe (for leverage)
  • Ratchet
  • Socket Extensions

  • Sockets - Metric

  • 18mm Socket

  • Wrenches - Metric

  • 16mm Wrench

4.50/ 5.0
4 reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
Will be great if all the parts will be correct
Received gasket to seal between tail pipe and mid pipe didnt fit. All rest of parts OK.
December 31, 2016
The exhaust system that I purchased was just like you see in the picture, it looks great and fit perfectly on the car, very happy. The only thing I would say is that I paid around 185.00 not 175.00 as listed in this review package. Thx Scott
June 14, 2017
Cat Back Exhaust
Purchased cat back exhaust for my car. Part was direct fit only wish it came with some hardware none less. Shipping was good got it a day earlier in spite that it was a after a holiday. Well recommended 1aauto to friends and guys that want keep good maintenance on there auto.
July 14, 2017
Fit like a glove. Parts from 1a auto never let me down.
February 3, 2018
Will this fit my car? Add a vehicle to make sure
Customer Q&A
Ask a question to 1A Auto customers who purchased the product
What diameter is the piping and can I see a better pic of the tip?
Andy N March 25, 2016
its actually oem. like direct fit. everything is the same fitting as stock. still has the dual tips, they are just covered to look like it is one piece
Darian J March 25, 2016
These are all OEM diameters, tips and set to be the same db level. We cannot modify or alter these componants
Brian F March 25, 2016
What size nuts do I need for the muffler to mid pipe, and mid pipe to cat?
Jim W June 22, 2017
We do not have the dimensions for the hardware used, but you may search through an affiliated dealership catalog where the sizes should be available.
Alex P June 22, 2017
I have a 2000 Nissan Maxima . Can I use this Complete cat back v6 3.0l on only a California emission system or only a Federal emissions (EPA) vehicle or both ?
David L May 30, 2019
This is only able to fit for vehicles that have California emissions.
Emma F May 30, 2019
Year Make Model Description
2000Nissan Maxima Nissan Maxima V6 3.0L California Emissions Complete Cat Back Exhaust System
2001Nissan Maxima Nissan Maxima (excluding 20th Anniversary Edition) V6 3.0L Complete Cat Back Exhaust System
2002Nissan Maxima Nissan Maxima V6 3.5L (Built Before 4/02 Production Date) Complete Cat Back Exhaust System
Only 5 left in stock
Part 1AEMK00048
In Stock

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Deliveries made to PO Boxes and FPO may take longer. See our Shipping & Delivery for more information.