Keyboard Implanted
Join Date: Nov 2001
Location: North Central Illinois
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Re: 1.3L exhaust size
If you run a modified intake , head , and block , 2" works really well with a good performance muffler . Do not use a high free flow unit , as it won't provide enough back pressure . BTW, to those that think 2" exhaust is too big , I guess I better yank that 38mm twinthroat Weber off my little 4cylinder since it has to be too large as well . These engines aren't like some of the US iron , they do breathe very well stock , let alone modified . Stand behind mine once....
Sarge