does anyone elses stillen z-tube have these 2 "nubbins" on the inside of the tube? im wondering if these nubbins effect air flow any?

 

Hmm I don't recall having those in my Stillen Z-tube. Do they look like mold defects or do they look like they were purposely put there?

 

mold defects

 

I would probably just file them down

 

either way the effect to the airflow and "power" of the car is extremely small

 

thats what i was wondering

 

The stillen tube is an injection molded plastic piece of crap. If I would have known I would definatly have spent the extra $10 or $15 to get the oem z tube

 

why does it being injected molded make it crappy and worse than the oem z-tube?

 

wow, bumpy inside too. oem is silky smooth like a baby's bottom.

 

Yeah it's a bit bumpy inside, but it's very "smooth" feeling. I'm pretty sure it doesn't make a huge amount of difference. Especially compared to the resonated stock tube with 2 huge holes in it. And I definitely agree with what Xet said a few posts up

 

not smooth on the inside, outside displays obvious seams from the mold and there was a lot of excess flash that needed to be trimmed from the hose bung on the underside.

Not saying it doesn't work but the finishing was non-existant and does nothing for the presentation. I ended up triming the flash, sanding down the outside to get rid of the seams and painting it with that rustoleum hammered metal finish paint. Lot of extra work when I could have got the oem tube and it would work and look fine out of the box