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Just updated my Q4's exhaust with a 3" section from the 'cats' (that are of course no longer there..) to the muffler. The tube was 60mm and I have now changed it to 76mm (3") - with a new 3 1/2" Magnaflow straight through race muffler..
see pic...
and how it sounds...
[ame="http://www.youtube.com/watch?v=pKxZNn0F_4k"]YouTube - ‪Alfa 155 Q4 Exhaust‬‏[/ame]
Meaty!
Wonder what that is going to be like on the track - looking forward to the next vid!
Looking good Jim. Any reason why you split the exhaust where the cats usually go? Or is it just because thats how the front pipe was?
yep, its just because that's how it was...I i will probably replace that section with 3" tube too later this year...
jim..
Are the flexi sections still in the doubled area?
When I could run without cats I used an Integrale Evo downpipe as this didn't have the precat and had the flexi section already in it.