Re: dynoed a 2008cc motor

["Ian Overholt" <ioverholt@hotmail.com>]

Aftermarket exhaust IS 2.25 inch.  Stock is 2 - 2.125 inch.  The Techtonics 
exhaust is really nice.  I have not noticed any low end loss.  Truthfully, I 
don't think the TT exhaust got me much (especially since I'm still using the 
stock downpipe), BUT the TT was WAY cheaper than replacing the stock 
muffler.  The only thing I miss about the stock exhaust is the tip 
alignment.  You just cannot buy a tip that fits EXACTLY how the stock 16v 
tip went.  But I love the sound of the TT.  Hopefully this summer I will 
dyno the car and I'll see if I've got any power over stock.  The exhaust is 
the only non-stock thing on the engine.

Ian Overholt
'88 16v
'78 Champagne Edition


>From: 16v Jason <jason@scirocco.org>

>And I agree with Daun-- I don't think there's a tenth of a HP to be gained
>by aftermarket exhausts.  2.25 inch diameter exhaust tubing is *more* than
>sufficient for a 1.8 liter engine-- and certainly sufficient for a
>2.0.  For _seriously_ tuned 2.0 (and above) liter engines, a small amount
>of power might be gained in the very top-end, but without the backpressure,
>probably at a sacrifice to low-end torque.
>

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