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Discussion Starter · #1 ·
I'm a 20 year-old engineering student and i have been into nissans for the past few years. I currently have a s13 240sx that i swapped an rb20det into.
I recently picked up a '91 CRX si and I have to say that I am very impressed w/ it's handling abilities, even with crappy tires.

OK my question: now i am in need of a new exhaust since the stock one rusted out. I'm just wondering if a civic si exhaust would bolt up on the crx

I hope this isn't a stupid question...I am a honda noob, so take it easy on me lol. I look forward to learning a lot about this car and its capabilities.
 

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I believe the length difference is in the middle section (straight part). You would need to shorten that.

Welcome to the community, we have another northeaster! Post your CRX up in the lounge.
 

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Discussion Starter · #3 ·
ooo i found a thread that answered my question w/ pics. the reason i asked is because i'm looking at the hks sport exhaust but they're like $700 and the same exhaust for the ef hatch is $380... wtf
 

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Welcome new Yorker...

The civic hatch exhaust is different.Mind you the rear over-the-axle section is similar.The cat to axle pipe is shorter on the CRX.
I know that Thermal exh systems makes a GREAT looking and sounding system for the crx.
Click Link here
...and at $492 thats a lot cheaper than $700.

I have heard this exhaust on a friends car and it sounds very nice.Not ricey at all.
GL on your find.
 

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Hey Man, welcome... guess you're a local?

Were you on the Roc Nissan forums? Do you know Max (the crazy Russian)? I'm not sure if Dave (DMoffitt) is on the forum now or not, but I used to hang out with them a lot at RIT. I think it's Dave's 350Z running around with no front bumper... I have no clue what he's up to with that thing.

Anyway... exhaust stuff

On my CRX I'm running a 4-2-1header, hi-flow cat, 2.25" piping to a cherry bomb, which exits to a Turbo2 muffler... aside from the cat and header, you could build the same system for around a hundred if you have access to a welder.
Just another route to go...
 

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rex2nr said:
On my CRX I'm running a 4-2-1header, hi-flow cat, 2.25" piping to a cherry bomb, which exits to a Turbo2 muffler... aside from the cat and header, you could build the same system for around a hundred if you have access to a welder.
Just another route to go...
Good call. I just recently rebuilt mine to add in the muffler. I was running without one for a long time, but it's just too irritating. Added in the T2 and replaced all the bends with mandrel, costs a lot less and sounds good.
 

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Discussion Starter · #9 ·
rex2nr said:
Hey Man, welcome... guess you're a local?

Were you on the Roc Nissan forums? Do you know Max (the crazy Russian)? I'm not sure if Dave (DMoffitt) is on the forum now or not, but I used to hang out with them a lot at RIT. I think it's Dave's 350Z running around with no front bumper... I have no clue what he's up to with that thing.

Anyway... exhaust stuff

On my CRX I'm running a 4-2-1header, hi-flow cat, 2.25" piping to a cherry bomb, which exits to a Turbo2 muffler... aside from the cat and header, you could build the same system for around a hundred if you have access to a welder.
Just another route to go...
i'm on roclife forums, dont post a whole lot. Yeah i've met max a few times. Dunno if he's still got the rx-7. I've never met dave, but he posts a lot on roclife and i've seen his z run at one of the autox events. That thing is gorgeous (it had a bumper at the time, dunno what it looks like now lol).

if i had a welder/knew how to weld/had the time i'd just make my own, but i don't. i'm gonna try the tanabe hyper spec, i'll post pics when i get it.
 

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I would imagine RIT has a welding shop, we do at RPI. It's nice because you get to learn on some nice equipment, whether you take a class, learn from a friend, or teach yourself. You also aren't messing up your own expensive stuff when you make mistakes early on, and chances are you aren't paying for gas or filler rod/wire.

mattminerDOTcom said:
muffler for the lose!
Yeah man, everyone who thinks their car is loud should run a 2.5" straight exhaust on a NA motor for a few months. The cabin of my CRX is serene now in comparison. It used to sound like there was a turboprop plane out my driver's side window.
 

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the kind of header on a car will greatly affect sound. my built motor (gsr NA) at first had a POS DC header on it, test pipe, to a thermal catback. wasnt that loud. switched to a SMSP header, with a different straight pipe (SMSP headers are long) thought the same catback and its LOUD. i dont even want to know what open header sounds like.

but yea, turbo cars are much quiter, the turbo acts as a muffler
 

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Discussion Starter · #14 ·
downest said:
I would imagine RIT has a welding shop, we do at RPI. It's nice because you get to learn on some nice equipment, whether you take a class, learn from a friend, or teach yourself. You also aren't messing up your own expensive stuff when you make mistakes early on, and chances are you aren't paying for gas or filler rod/wire.
You would think RIT would allow its students to take full advantage of the machining facilities and such, but that is definitely not the case. You pretty much have to be on the SAE formula or mini baja team (which i have no time for) to have any sort of access to that kind of stuff. i had a hard enough time getting them to let me use a freakin drill press last spring. There is no welding class offered either which is stupid.
 

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The HKS sport is a great exhaust I had a friend that had one one her CRX until someone stole it, just the exhaust. The civic will work you will just have to shorten the enter section. I had another friend who did that with a skunk 2 exhaust, for price difference. I have the Thermal, and I like the HKS allot better, sounds awesome. I just wish they made a 3" version for I'm switching to a 3" over the winter.
 

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I used a CRX exhaust on my civic. Lengthened it by 8 inches (crazy eh) after the hangers on the front pipe. It hung up great. No issues at all except for the tip is misaligned. It's just 2 1/2 inch exhaust that was welded up with magnaflow muffler and resonator. Nothing fancy but I noticed a huge difference in the bottom end compared to the stock 1 1/4 exhaust haha.
 
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