Downpipe question
02-03-03, 10:35 PM
#1
Downpipe question
I am getting a little lost on the terminology. What I want is a downpipe, that will connect to my existing cat (for now). What the heck is the "optional presilencer"? Does that replace the cat, or do I need to purchase that too?
Also, anyone know of good (ie cheap) places to purchase a downpipe?
Basically I need the description of a downpipe, midpipe, and presilencer.
I know its a noob question, but please bear with me.
Thanks in advance!!
Jarrett
Also, anyone know of good (ie cheap) places to purchase a downpipe?
Basically I need the description of a downpipe, midpipe, and presilencer.
I know its a noob question, but please bear with me.
Thanks in advance!!
Jarrett
02-03-03, 10:42 PM
#2
SOLD THE RX-7!
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downpipe goes from turbo to cat.
midpipe replaces cat with a straight piece of plain pipe
presilencer replaces cat, but has a presilencer instead of plain piping.
midpipe replaces cat with a straight piece of plain pipe
presilencer replaces cat, but has a presilencer instead of plain piping.
02-03-03, 11:01 PM
#4
Right, except a pre-silencer doens't have to replace the cat. Lots of guys have systems with both because they need to keep the cat on for emissions reasons, and need a pre-silencer for noise control reasons.
A presilencer is basically just a mini striaght thru design muffler. Kind of just like a mini cherry bomb. Lowers the sound level of your exhaust, makes it slightly deeper, and doesn't really affect performance. (adds maybe 1 psi of backpressure)
A presilencer is basically just a mini striaght thru design muffler. Kind of just like a mini cherry bomb. Lowers the sound level of your exhaust, makes it slightly deeper, and doesn't really affect performance. (adds maybe 1 psi of backpressure)
02-03-03, 11:10 PM
#5
Originally posted by HAILERS
Hey! NooobieJ-RAT, did the pvc work to replace the intercooler or not?
Hey! NooobieJ-RAT, did the pvc work to replace the intercooler or not?
Guys, thanks for answering my questions, and letting me off relatively easy.
Jarrett
02-04-03, 12:24 AM
#7
HAILERS
Join Date: May 2001
Location: FORT WORTH, TEXAS,USA
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You mean the item 16207? I bought that. With that and a K and N air filter and Walker Dyno Max cat back, I see 10psi. I'm using a stock ECU and a home made FCD.
I also have a wideband from EdgeTech. It shows the afr to be 11.2 at the highest at full boost up hill. I selected this somewhat restricted 16207 so I wouldn't have to buy a aftermarket ECU. I'm not out to spend the Hailers fortune on this car.
The reason I write the above, is that you may want to boost higher than 10psi. You sound like a power mad politician. humor. So I'd hate to see you buy the 16207 and expecting more than the above.
I'm even thinking of puttin my spare turbo engine in my n/a, taking the 16207 and putting it on the n/a, and buying the full three inch *****. Naaaa. Better stop thinking like that, too expensive.
There's times I wish I'd tried to put a turbo on a n/a like other people do. Sounds like fun.
I also have a wideband from EdgeTech. It shows the afr to be 11.2 at the highest at full boost up hill. I selected this somewhat restricted 16207 so I wouldn't have to buy a aftermarket ECU. I'm not out to spend the Hailers fortune on this car.
The reason I write the above, is that you may want to boost higher than 10psi. You sound like a power mad politician. humor. So I'd hate to see you buy the 16207 and expecting more than the above.
I'm even thinking of puttin my spare turbo engine in my n/a, taking the 16207 and putting it on the n/a, and buying the full three inch *****. Naaaa. Better stop thinking like that, too expensive.
There's times I wish I'd tried to put a turbo on a n/a like other people do. Sounds like fun.
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02-04-03, 12:34 AM
#8
Originally posted by HAILERS
You mean the item 16207? I bought that. With that and a K and N air filter and Walker Dyno Max cat back, I see 10psi. I'm using a stock ECU and a home made FCD.
The reason I write the above, is that you may want to boost higher than 10psi. You sound like a power mad politician. humor. So I'd hate to see you buy the 16207 and expecting more than the above.
There's times I wish I'd tried to put a turbo on a n/a like other people do. Sounds like fun.
You mean the item 16207? I bought that. With that and a K and N air filter and Walker Dyno Max cat back, I see 10psi. I'm using a stock ECU and a home made FCD.
The reason I write the above, is that you may want to boost higher than 10psi. You sound like a power mad politician. humor. So I'd hate to see you buy the 16207 and expecting more than the above.
There's times I wish I'd tried to put a turbo on a n/a like other people do. Sounds like fun.
Power mad politician? Not really. Being a G.I. and all, right now I hate politicians...
Jarrett
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