Jul 7, 2025 #1 S Sparty443 New Member Joined May 23, 2025 Messages 19 Reaction score 3 How do I tune my 1998 mustang gt to run with no cats? Should I just keep the rear 02 sensors in and not get a tune?
How do I tune my 1998 mustang gt to run with no cats? Should I just keep the rear 02 sensors in and not get a tune?
Jul 7, 2025 #2 RAU03MACH Legend Joined Apr 23, 2019 Messages 9,246 Reaction score 9,693 Location NEW MEXICO remove the cats leave the 02s in get mill eliminators https://www.bing.com/aclk?ld=e86IJzZ1LyTNrV4RUtmYhXZTVUCUxbdGvSA1E6yQzgzRwy08pIVm_bWlJ2lrCQT76uHuc712KuLe7_cUgEsSlIh7fqVwvKkg7DpuBNHaEJV_6GCochBTxWN3j-DVkVpuV9MAYkXfsbrHviuOHClFtj6Ux-3obVVSkT205n_cO5zEqU2vZTFRm2OPyyobVmmAc7G85-Qg&u=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&rlid=920d3eca2b871f5538ff56a66ea97e44&ntb=1&ntb=1
remove the cats leave the 02s in get mill eliminators https://www.bing.com/aclk?ld=e86IJzZ1LyTNrV4RUtmYhXZTVUCUxbdGvSA1E6yQzgzRwy08pIVm_bWlJ2lrCQT76uHuc712KuLe7_cUgEsSlIh7fqVwvKkg7DpuBNHaEJV_6GCochBTxWN3j-DVkVpuV9MAYkXfsbrHviuOHClFtj6Ux-3obVVSkT205n_cO5zEqU2vZTFRm2OPyyobVmmAc7G85-Qg&u=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&rlid=920d3eca2b871f5538ff56a66ea97e44&ntb=1&ntb=1
Jul 7, 2025 #3 badass98svt Legend Joined Jan 11, 2006 Messages 5,026 Reaction score 2,924 RAU03MACH said: remove the cats leave the 02s in get mill eliminators https://www.bing.com/aclk?ld=e86IJzZ1LyTNrV4RUtmYhXZTVUCUxbdGvSA1E6yQzgzRwy08pIVm_bWlJ2lrCQT76uHuc712KuLe7_cUgEsSlIh7fqVwvKkg7DpuBNHaEJV_6GCochBTxWN3j-DVkVpuV9MAYkXfsbrHviuOHClFtj6Ux-3obVVSkT205n_cO5zEqU2vZTFRm2OPyyobVmmAc7G85-Qg&u=aHR0cHMlM2ElMmYlMmZ3d3cuYW1lcmljYW5tdXNjbGUuY29tJTJmYmJrLW8yLWV4dGVuc2lvbi1oYXJuZXNzZXMuaHRtbCUzZnV0bV9jb250ZW50JTNkRXhoYXVzdCstK094eWdlbitTZW5zb3JzJTdjU1IrUGVyZm9ybWFuY2UlMjZUNV9WYXI0JTNkNTYwMTMlMjZ1dG1fc291cmNlJTNkYmluZyUyNnV0bV9tZWRpdW0lM2RzaG9wcGluZyUyNlQ1X1ZhcjIlM2RzaG9wcGluZyUyNnV0bV9jYW1wYWlnbiUzZEFNJTJiTm8lMmJWZWhpY2xlJTJiSGlnaCUyYkxUVk1pZGRsZSUyNmludGwlM2QwJTI2ZGlhbG9ndGVjaCUzZHBwYyUyNmdjbGlkJTNkOTIwZDNlY2EyYjg3MWY1NTM4ZmY1NmE2NmVhOTdlNDQlMjZnY2xzcmMlM2QzcC5kcyUyNm1zY2xraWQlM2Q5MjBkM2VjYTJiODcxZjU1MzhmZjU2YTY2ZWE5N2U0NCUyNnV0bV90ZXJtJTNkNDU3NzU0MTc5MDkwNTA3MA&rlid=920d3eca2b871f5538ff56a66ea97e44&ntb=1&ntb=1 Click to expand... Those are just O2 extensions, John. As far as I know, everyone had to stop selling the MIL eliminators. You can make your own though, or maybe try the spark plug de-fouler method. I've personally never tried it.
RAU03MACH said: remove the cats leave the 02s in get mill eliminators https://www.bing.com/aclk?ld=e86IJzZ1LyTNrV4RUtmYhXZTVUCUxbdGvSA1E6yQzgzRwy08pIVm_bWlJ2lrCQT76uHuc712KuLe7_cUgEsSlIh7fqVwvKkg7DpuBNHaEJV_6GCochBTxWN3j-DVkVpuV9MAYkXfsbrHviuOHClFtj6Ux-3obVVSkT205n_cO5zEqU2vZTFRm2OPyyobVmmAc7G85-Qg&u=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&rlid=920d3eca2b871f5538ff56a66ea97e44&ntb=1&ntb=1 Click to expand... Those are just O2 extensions, John. As far as I know, everyone had to stop selling the MIL eliminators. You can make your own though, or maybe try the spark plug de-fouler method. I've personally never tried it.
Jul 7, 2025 #4 RAU03MACH Legend Joined Apr 23, 2019 Messages 9,246 Reaction score 9,693 Location NEW MEXICO my bad i got the wrong thingy for him i think lethal performance has them
Jul 7, 2025 #5 RAU03MACH Legend Joined Apr 23, 2019 Messages 9,246 Reaction score 9,693 Location NEW MEXICO when the hell did they quit making them i picked up a set for my 98 gt when i did the mach swap 2 years
when the hell did they quit making them i picked up a set for my 98 gt when i did the mach swap 2 years
Jul 7, 2025 #6 RAU03MACH Legend Joined Apr 23, 2019 Messages 9,246 Reaction score 9,693 Location NEW MEXICO
Jul 7, 2025 #7 RAU03MACH Legend Joined Apr 23, 2019 Messages 9,246 Reaction score 9,693 Location NEW MEXICO https://www.bing.com/aclk?ld=e8dMePmPGn4SHUilhE7v0PNDVUCUzDJn6K11bLnNf0kds0qIB93Wk5hWWyim3nv19WS66R3ZMZdWgfroDrTsy2u1yYWN5Uy9utytNwybXf4lVX2VGsBy8j_YnyXSosn9p6h2DIzGwmoecx7h2Vn7NpN6a2KE8C6pU31mzUXefp1E-GWpvqKMRDfbGbt3DSgqfRbapQKA&u=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&rlid=5907a9aed4f31eb3d863c1c2883402f4&ntb=1&ntb=1
https://www.bing.com/aclk?ld=e8dMePmPGn4SHUilhE7v0PNDVUCUzDJn6K11bLnNf0kds0qIB93Wk5hWWyim3nv19WS66R3ZMZdWgfroDrTsy2u1yYWN5Uy9utytNwybXf4lVX2VGsBy8j_YnyXSosn9p6h2DIzGwmoecx7h2Vn7NpN6a2KE8C6pU31mzUXefp1E-GWpvqKMRDfbGbt3DSgqfRbapQKA&u=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&rlid=5907a9aed4f31eb3d863c1c2883402f4&ntb=1&ntb=1