DIY Full-Race 3" Downpipe and Catback Exhaust System

Tim Abadie said:
One more question, would it be best to put the RMM in before or after DP/exhaust or does it not matter?
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Doing the RMM at the same time may help with the wiggle room needed for getting the old DP out and the new one in.
 
Hey Guys, after the install I notice a slight rattle sometimes while shifting or going over bumps, and the sound was coming from the right rear tire. I took a look and noticed the pipe barely clears the right rear control arm. I'm sure this is where the rattle comes from. Any suggestions on how to get a little more clearance? I only need a 1/4 inch at most. Should I buy a new, stiffer hanger?
 
I followed this diy and its great. The part I'm stuck on is removing the second o2 sensor. Its on there very tight and it ended up stripping. I stopped before it got worse but if i keep going it's definitely going to strip. I'm installing a skunk2 downpipe. Do I need to have it plugged in? Would disabling the secondary o2 sensor work? If not I might have to buy a different secondary o2 sensor to plug it in.
 
dpetro1 said:
Are you using an o2 socket? If the downpipe is off the car you can hit it with an impact.

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I did use a o2 socket. I ended up just buying a denso o2 sensor and leaving the oem one in the oem down pipe.
 
Just installed my downpipe on new years eve this DYI hella helped me out took about 8 hrs had to keep coming out for tools lol got the motor mount in aswell .I get some weird idling tho when in neutral if any 1 gots any info on that fix .Thanks for the install guide .
 
Ralph619 said:
Just installed my downpipe on new years eve this DYI hella helped me out took about 8 hrs had to keep coming out for tools lol got the motor mount in aswell .I get some weird idling tho when in neutral if any 1 gots any info on that fix .Thanks for the install guide .
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squiggy said:
Lesson learned: To run this downpipe and exhaust, you need FlashPro and a proper tune! If you do not get a proper tune, you may throw a CEL and/or have horrible rasp depending on what mods you have installed.
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your car is not going to run properly without getting hondata flashpro and a tune on aftermarket downpipes. This is quoted from the diy above
 
Tunes an absolute must. I had to run my fbo setup for a day with no tune and the car just stalled and misfired. I ended just getting it towed home so I could upload my final cal from vit.
 
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