Just did this mod tonight. I HIGHLY recommend using 1/2" drive ratchet and extensions for the two ft of extensions for the top bitch bolts. It was like day and night trying to use the 3/8's compared to the 1/2". Do not use an impact because there is to much energy wasted through the extension's. PB Blaster is the **** too (let it soak in for a while too). If you have a nismo with the H-pipe like my self you shouldn't have to unbolt the rest of the exhaust like mentioned. If I had to do this again I would recommend buying new gaskets for the Y/H-pipe as well. I really enjoy wrenching on cars and this product is not a bad DIY project if you use the right tools.
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