Downpipe for my rx-7 ?
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Junior Member
Joined: Feb 2002
Posts: 22
From: Sierra Foothills (The new Wine Country)
I've read that replacing upper cat with a downpipe reduces heat alot and makes the stock turbo last much longer as well as keeping all your hoses from baking and cracking as soon. As part of this upgrade I have read that you also will need a computer upgrade and a turbo timer. Any thought on this? It this another super expensive upgrade? Just what would I be getting into. I want my RX-7 to last. Thinking about replacing that cheesy plastic radiator as well with a larger metal one.
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Joined: Jul 2001
Posts: 17,839
From: NJ
a downpipe will raise the boost. i think a pettit or m2 ecu is a great investment. your car should never detonate if you have either ecu in there. with the ecu you can run upgraded full exhaust intake and intercooler if you wanted 
Senior Member
Joined: Nov 2001
Posts: 7,316
From: Bay Area, CA
Originally Posted by vosko' date='Feb. 19 2002,01:05
a downpipe will raise the boost. i think a pettit or m2 ecu is a great investment. your car should never detonate if you have either ecu in there. with the ecu you can run upgraded full exhaust intake and intercooler if you wanted
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Joined: Jul 2001
Posts: 17,839
From: NJ
Originally Posted by 13BAce' date='Feb. 18 2002,06:23
[quote name='vosko' date='Feb. 19 2002,01:05']a downpipe will raise the boost. i think a pettit or m2 ecu is a great investment. your car should never detonate if you have either ecu in there. with the ecu you can run upgraded full exhaust intake and intercooler if you wanted
you know me. better safe than sorry
Senior Member
Joined: Nov 2001
Posts: 7,316
From: Bay Area, CA
Originally Posted by vosko' date='Feb. 19 2002,11:40
[quote name='13BAce' date='Feb. 18 2002,06:23'][quote name='vosko' date='Feb. 19 2002,01:05']a downpipe will raise the boost. i think a pettit or m2 ecu is a great investment. your car should never detonate if you have either ecu in there. with the ecu you can run upgraded full exhaust intake and intercooler if you wanted
you know me. better safe than sorry
What's safety? :dontgetit:
Thread Starter
Junior Member
Joined: Feb 2002
Posts: 22
From: Sierra Foothills (The new Wine Country)
Ok, so what are the approx costs of some of these upgrades? Also I was under the impression that the upper cat gets replaced by the DP. Is this wrong?
Has anyone else replaced the cheesey plastic clamped radiator with a decent sized metal one? I had another mazda, don't laugh, a 323; and it had a plastic radiator that started leaking and had to be replaced at about 80K miles. I don't trust those cheapy radiator that mazda likes to use.
I don't care about performance as much as making the car last and be more reliable. It's not exactly convenient to open your hood after every drive to let it cool so you don't fry your turbo and hoses and wires.
All comments welcome!
Has anyone else replaced the cheesey plastic clamped radiator with a decent sized metal one? I had another mazda, don't laugh, a 323; and it had a plastic radiator that started leaking and had to be replaced at about 80K miles. I don't trust those cheapy radiator that mazda likes to use.
I don't care about performance as much as making the car last and be more reliable. It's not exactly convenient to open your hood after every drive to let it cool so you don't fry your turbo and hoses and wires.
All comments welcome!
Senior Member
Joined: Nov 2001
Posts: 7,316
From: Bay Area, CA
Originally Posted by bhdixon' date='Feb. 19 2002,13:57
Ok, so what are the approx costs of some of these upgrades? Also I was under the impression that the upper cat gets replaced by the DP. Is this wrong?
Has anyone else replaced the cheesey plastic clamped radiator with a decent sized metal one? I had another mazda, don't laugh, a 323; and it had a plastic radiator that started leaking and had to be replaced at about 80K miles. I don't trust those cheapy radiator that mazda likes to use.
I don't care about performance as much as making the car last and be more reliable. It's not exactly convenient to open your hood after every drive to let it cool so you don't fry your turbo and hoses and wires.
All comments welcome!
Has anyone else replaced the cheesey plastic clamped radiator with a decent sized metal one? I had another mazda, don't laugh, a 323; and it had a plastic radiator that started leaking and had to be replaced at about 80K miles. I don't trust those cheapy radiator that mazda likes to use.
I don't care about performance as much as making the car last and be more reliable. It's not exactly convenient to open your hood after every drive to let it cool so you don't fry your turbo and hoses and wires.
All comments welcome!
The fluidyne and SR Motorsports radiators seem to be popular bolt-ins.
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