Will there be a problem if i run a 3" downpipe a stock catalytic converter and a rsr gt2 exhaust for about a month or 2. I guessing there is because the stock cat doesn't have the same pipe diameter as the down pipe and exhaust but I want to know specifically what will be the problem.
Ok my name is ruben and im 18 years old. i live in RI but was born in Mexico. well i am a noob to cars and supras and i bought my 1st one in the end of 2006. i bought a good enough condition 5 speed white targa top 89 7mgte supra with 140k miles (damn) for $700 bucks (surprised it was that...
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