Exhaust

[peter at thescirocco.com (Peter)]

You don't have to change, from the stock exhaust, to install a dual DP. All
pre-'82 A1's came stock with dual DP's and ~1 5/8" exhausts. To get the full
effect of a dual exhaust manifold, you'll need to get rid of the short stock
dual DP with flexpipe section, and get a TT downpipe, that goes all the way
to the cat, or the race/long DP that goes all the way to the cat-back
exhaust. 

The TT exhausts will fit the race/long DP or the short TT CAT DP, and if you
don't have to pass a visual inspection, now would be the perfect time to do
away with the CAT. My VW's always pass the sniffer test without a cat, even
the 16V, but that might change with the 286 cam. ;)

Anyway, if you're not planning on swapping in a 16V, or an 2L 8V with crazy
cams in the near future, a 2" exhaust with a Borla muffler is the way to go.
It feels stronger off idle, sounds great, and it's quieter...  


Peter
'81 1.7L, 286 cam, BMS Header, 2" ATS w/Borla
'79 1.8L 16V, TT race DP w/2" primaries, 2 1/4" TT SS Borla
'84 GTI 1.8L, 286 cam, TT Cat DP, 2" TT Borla
'83 GTI 3A, ATS header, soon to be Supersprint, 2 1/4" TT SS Borla
'83 GTI 1.8L, G-grind, TT CAT DP, 2" TT SS Borla
'83 Pickup 1.8L, Euro exhaust manifold, TT race DP, 2" TT SS Borla
'91 Passat S/W 2L16V, TT high-flow cat, 2 1/4" TT Borla
'90 Fox, 2" TT Superturbo/DM
http://thescirocco.com/

Please! Include the previous text in your reply...

-----Original Message-----
From: scirocco-l-bounces+peter=thescirocco.com@scirocco.org
[mailto:scirocco-l-bounces+peter=thescirocco.com@scirocco.org] On Behalf Of
Christopher Grossi
Sent: Saturday, April 23, 2005 8:00 AM
To: Scirocco List
Subject: Exhaust


Going to replace the exhaust under an 85 8v. I was looking online for some
exhausts and I need to change the cat too as the flanges on the ends have
rotted beyond repair. They are showing a few different size cats when I look
under MKI. Looks like 2", 2.25", and 2.5" diameters. It's been a while since
I have messed with exhaust on that car, so I don't remember what the stock
diameter is? Don't want to buy one of these and have it not fit. Also if I
was going to change over to a dual downpipe setup, as I know I should for
obvious reasons, would I have to go with a larger than stock pipe?

Thanks,
Chris
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