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New Exhaust (Borla & ZZP)

skylar44

skylar44

New member
had my stuff shipped to the states to save shipping and brokerage. Put them on during a road trip. 2 Borla Pro XS Mufflers, ZZP 2.5" 304SS Catted Downpipe, and some rounded dual tips.

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405GTPSleeper said:
Ey got a question for you in I'm gettin speed daddy headers and if I get the shorter dog Bones will it fit?
Click to expand...

Not the place for this question. The infomation you seek is in many header threads.

But your answer is no, shorter dog bones are NOT needed while installing headers, they are a pointless mods really.
 
Might be pushing it close. SD don't seem to give to much room. A better choice would be Vinnie Spacers. What's the reasoning behind you wanting shorter dogbones? Are you lower?
 
No I'm gettin new header I put some obx mufflers on and cat delete u pipe delete and then my flex pipe gave out so buying head will fix the flex pipe
 




I'm not back home yet, and my good phone with 1080p video is in for service. I'll post as soon as I can!!

From the very limited driving I've done since getting it done I can tell you it's a lot deeper than stock, there is some drone but NOTHING compared to having a rotted out muffler and shot cat. It backfires after WOT pulls, and has a nice rumble at idle.
 
yessir, wasn't going to make the same mistake again. I once got rid of it on my 99 because it was cracked and it was one of the worst things I had ever done, SO MUCH RASP
 


so I just threw a p0420 bank 1 which I had before. Is it my o2 sensors, or is the high flow cat flowing too well and I need a tune/o2 simulator?
 
if it occured after you put the cat in its probably the cat but it could possibly be the downstream O2 sensor giving a bad reading but obviously its more likely to be the cat. which ever the case get a simulator itl fix both problems and probably cheaper and faster than a tune.
 
I had a p0420 before I put any of the exhaust parts on. Had the parts put on, they reused o2s, cleared code and it was good for about a day.

Threw a p0420 on the new stuff after about an hour into my drive from Toledo to Toronto.

Just realized they don't make an o2 simulator for 04+ :th_shakinghead1:
 
Simulator don't work with the 04+. A cheaper and efficient solution is google spark plug fouler trick and goodbye po420 code.
 
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