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Alfasud 16v exhaust mufflers

3814 Views 15 Replies 8 Participants Last post by  Ricky Ricardo
My Alfasud is converting to a 16V with inboard brakes. To work around the inboard brakes, I plan to fit an ANSA crossover manifold (from a donor 1.7 Carb Sud) modified with the skewed flanges cut from the original 16V system. Maybe not an ideal solution, but it should fit OK. If not, then costly and complex reshaping of the 16V system starts...

EDITED CONTENT follows:

The ANSA manifold terminates at the same diameter as the original 16V (about 50mm) - not 42mm as I originally posted - and in a slightly different location, without the 3-bolt flange for the cat.

So: what off-the-shelf centre and rear mufflers (larger than 50mm) fit a Sud configuration? What would happen (aside from being noisier) if the centre and rear mufflers were larger or different sizes? Local exhaust 'professionals' have little experience or interest in Alfa boxer motors and will 'fly blind' for any custom pipe solution.

I don't want to choke my new 16V, but I also don't want pointlessly large and noisy pipes.
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I think Alfasud spares online has an original 50mm centre section for sale currently. Freight to Aus might be a killer though. The rear could be made up fairly easily as David notes.

To clarify your comments on switching to outboard brakes, there is no need to change the gearbox and hence run into the speedo drive issues you mention (although, if you did, fit a box from an outboard braked sprint as they retained the mechanical speedo drive). The 33 style driveshafts bolt right up to the sud box, only trick is to make sure you've got the right spacers to suit.

In fact if you really want to, you can retain the inboard setup just for the handbrake, fit outboard fronts, and keep the sud rear discs. Slightly odd, but there you go.

Overall, I agree with your decision to retain the original brakes - I have in my sprint.
 
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