Quote:
Originally Posted by clairvoyant
Installed the Supersprint headers and the cats, no Check Engine Light errors (a home made O2 sensor simulator).
Tested last night 0-100 km/h in 6.3 seconds. Yes, sir E90 323i 0-100 km/h in 6.3 seconds.
It's definitely more responsive and climb quicker from low RPMs to high RPMs.
It sounds as quiet as OEM but deadly.
I'll dyno as soon as spring arrives. I don't want to wear out my winter rubbers on a dynometer so I will wait until I put my all season tires.
Total cost $ 2381 CDN (parts, shipping, reserved a shop and borrowed tools, and Canadian customs & GST on shipping and parts).
I did my own welding on catalytic converters and there was a very little space to work on the headers. So it cost some bruises, scrapes, and "%^&!!#@@@%^ moth3rfu&^&" language
Before I wave "the Mission Accomplished" banner, I will wait 500 km to
see in case something is going on.
However, a small minor complaint:an engine back fire. What's the best
muffler put there to eliminate that engine back fire?
Something as quiet as OEM....
Thanks for your help.
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Dude, I freakin' told you that this was the way to go to get the extra jam all the way through the rev band.
Congrats on the extra power.
Any pics of the headers?