Help Me Decide!!!
i wanna get either a straight pipe or a downpipe for my n/a but i dunno which to get first and which would be better. btw i have an 87 base model it is completely stock except for a k&n air filter(the one where the air pump plugs into the adapter) anyway, heres what im trying to decide on...
http://cgi.ebay.com/ws/eBayISAPI.dl...7947286081&rd=1 or http://cgi.ebay.com/ws/eBayISAPI.dl...7947812411&rd=1 |
links are broke.
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lets try this now...
http://cgi.ebay.com/ebaymotors/ws/eB...category=33633 or http://cgi.ebay.com/ebaymotors/ws/eB...category=33633 hope it works |
The first test pipe will only replace the main cat where the second looks like it will replace the 2 precats.
If you go with this setup, you will be left with the problem of finding a pressure tap to operate your 5/6 ports. The S4's 5/6 ports open when you reach a certain back pressure in the exhaust system and the pressure tap is on the main cat. Good luck and happy shopping. Personally, I went with the Racing Beat Down pipe and Presilencer combo, ya it's more money, But I like the polished stainless. Karyn |
oh yeah, that occured to me... i was trying to fin dout what the activation of the 5/6 ports were for though. if i get either of those, will i have to do this? how much a risk is it not to?
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Originally Posted by KarynKathryn
The first test pipe will only replace the main cat where the second looks like it will replace the 2 precats.
If you go with this setup, you will be left with the problem of finding a pressure tap to operate your 5/6 ports. The S4's 5/6 ports open when you reach a certain back pressure in the exhaust system and the pressure tap is on the main cat. Good luck and happy shopping. Personally, I went with the Racing Beat Down pipe and Presilencer combo, ya it's more money, But I like the polished stainless. Karyn |
how much?
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any modification to the exhaust system i would have to activate the 5/6 port? if so i had no idea about that.
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Here is the link to the Racing Beat setup
Assuming you have the manual tranny. http://www.racingbeat.com/resultset....rtNumber=16206 |
ahh okay. sorry, im still a noob. as you can see from my title ;) thanks everyone.
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Go for the Racing Beat DP/PS..... if you haven't bought any of their stuff before, your freaking jaw will hit the floos when you get it and you'll get a woody!!!!
As for your 5/6 ports...... You'll have to get a summit racing RPM switch, a spare vac solenoid, a hose barb and some vac line and run the 6-ports off the air pump output..... look it up its been discussed many times before.. I AUTOMATICALLY do this mod to every s4 i get to rebuild and sell... (cause when you get a car with a clogged cat, beat the guts out of it and put it back on.. you have to make up for the loss in back pressure!!!!!!) |
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