midpipe vs hi-flo cat advice
It's never fast enough...
Joined: Feb 2001
Posts: 3,760
Likes: 3
From: Miami - Given 1st place as the POOREST city in the US as per the federal government
Originally posted by GarageBoy
No Emissions, go catless! (unless you don't like the smell)
No Emissions, go catless! (unless you don't like the smell)
They stink ? 
I have a straight through exhaust with restrictor plate and set at 10psi. Car pulls like mad, but I will have to see how much I loose with a cat. The smell is sometimes unbearable. I couldn't complain about the sound though

I have a straight through exhaust with restrictor plate and set at 10psi. Car pulls like mad, but I will have to see how much I loose with a cat. The smell is sometimes unbearable. I couldn't complain about the sound though
in defense of the MP, i don't have a problem with the smell on cooler/cold days and months because the window is up.
also, i have never noticed any low end power problems. i went from a cat directly to the MP (never had a high flow) and can't say that i noticed lack of power.
also, i have never noticed any low end power problems. i went from a cat directly to the MP (never had a high flow) and can't say that i noticed lack of power.
Originally posted by DaPlaya96
I guess the main question is : How Can U achieve having a MP and have minimal smell and have a nice exhaust sound not too loud..??
I guess the main question is : How Can U achieve having a MP and have minimal smell and have a nice exhaust sound not too loud..??
If you want dyno numbers, go with a midpipe. There's not many people on the forum that have over 320 rwhp let alone 300 rwhp that has a HF cat. I remember ErnieT gained about 25-30 rwhp over a HF cat with a before/after dyno a while back.
Looking at all the comments here it seems that all FDs are different - most with midpipes will make the hp - some say they don't lose low-end. I had a Meineke cat welded onto a midpipe ($150 installed) and was able to get 380 rwhp at 15 psi with it - I think it just depends on the car and mods.
Looking at all the comments here it seems that all FDs are different - most with midpipes will make the hp - some say they don't lose low-end. I had a Meineke cat welded onto a midpipe ($150 installed) and was able to get 380 rwhp at 15 psi with it - I think it just depends on the car and mods.
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