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Best Exhaust

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Old 03-26-2014, 03:56 AM
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Icon7 Best Exhaust

Hi everyone, I'm wondering what exhaust systems would fit an 83? Ps I don't want it to be massive especially at the rear. Also I've got to keep shipping in mind because I'm in Australia and everything about the engine is standard.
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Old 05-08-2015, 01:31 AM
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Re: Best Exhaust

Not 100% sure what's available in your neck of the woods.

I wound up having to get a custom exhaust bent up (Sadly it was down to the tin-worm, not the mod bug), and learned a couple of important things in the process.

1.) Do NOT go too big (it sounds like you're on the right track). This isn't so much about style, as it is about part throttle overscavenging.
2.) The stock Honda exhaust is double walled. This was a huge surprise to me, especially when I'd sized everything from the header back to match the OD of the outer tube. I can't remember what the inner tube ID is, but the OD of the outter tube is 2in (50.8mm).
3.) If you change one thing, change it all. The stock exhaust has some serious galvanic couples on and around the flex pipe, and any exhaust work will be enough to flake off some of the protective plating, activating the galvanic cell. You've probably got about 3 years on the stock flex pipe the instant you mess with anything downstream.
...Somewhere in Southern Indiana
- 1985 Prelude DX 5 Speed - Gothic Gray Metallic
- 2011 Subaru STi 5 Door - WRB
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