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Manifold upgrade

1K views 2 replies 2 participants last post by  Mikethree 
#1 ·
Hi guys , i was wondering what exaughst manifold could i use for my alfa romeo gt junior 1600 , im looking for something with better airflow to increase performance , are there any made that will fitt? Maybe something in stainless steel?
Thanks
 
#2 ·
The stock two piece early cast iron manifold is one of the best, especially for the smaller 1600 engines. It's hard to do better even with the "Bundle-of-snakes" designs. Tube headers mostly help just a tad at top end, but are worse in mid range where the cast iron ones shine.

Robert
 
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