I believe there are naturally-aspirated headers for 2.2 and 2.5L subi engines. As long as you go with the proper displacement, it'll fit any model with that engine. I've just found out first hand though, that the header is just one part of getting the deep rumble. You also need a good free-flowing muffler. My 98 Foz now u.e.l. borla reps mated to an STi catback, and as of Monday morning a MagnaFlow model 12226 muffler. The sound is perfect. Very inexpensive muffler, too. Check eBay. The stock muffler even from the STi is very very quiet. The headers and the STi muffler literally sounded like the Subaru boxer rumble just needed to be uncorked, and that's just what I did.
Hey thanks for the quick response. I plan on buying a muffler also, but I'm a bit low on funds at the moment. I'm just going to pick up one piece at a time. I'd be interested in hearing what your setup sounds like. Let me know if you ever take a video.
they all pretty much come from the same place, but construction is never consistent. so expect some wrestling to get them in because the one thing about replicas is that they almost never line up on the engine side. also, there seems to be some variation between the different replicas, as some are larger diameter than the others. there could be some homegrown replicas, but if you generally look for machined welds and such, it'll probably be a Top Speed V3 Borla replica.
I've heard mostly good things about the welds and construction of the replicas. The tech at the exhaust shop I used did say he had to work with it a bit to get it to fit, though. No real problem. He joked that whenever they're made to fit right in - they don't. But it was no issue. One corner of it though is almost flush right up against a corner of the oil pan. I asked him if that would cause any problems, he smiles and says it'll heat up my oil quicker. Basically true heh..
I bought a used borla for $90 off a friend with a crack. Upon purchase I was really quite suprised how lightweight the whole header is... Guess I expected a heavy chunk of metal =/ It was however an easy weld for my mechanic before he put it on.
Straycatkid: Thanks for that info.. I just bought a STI midpipe and STI muffler and was worried about how quiet it would be. Sounds like it's gonna be quieter than expected. Glad I saw this before install, as I think I might go grab a cheaper muffler now. (Although I love the "STI" on the tailpipe.. hmm) -Jess
So far google has let me down. I’m new to engines and specifically Subaru’s.
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