Header diameter recommendation

DavesD

Will be replacing the Euromax 1 3/8'" exhaust system/heater boxes on my '96 IM roadster.
The engine is a 1776 with an Engle 110 cam, dual Weber 40's, and a 042 head - 40 x 35.5.

What header diameter is recommended for this engine?

I'm considering the "Streetsport", by BAS.

"Streetsport" - www.ahnendorp.com/beetle1.html
Tube inside diam. 35-41mm slips over the original
heaterboxes - up to 140HP
Steel tubes and aluminum coated silencers 21134 342,30
Stainless tubes and stainless silencers 21137 607,95

Thanks for your help.

Dave

2/3/034:59 AM

❤️ 0

Original Post

Replies sorted oldest to newest

DavesD

Will be replacing the Euromax 1 3/8'" exhaust system/heater boxes on my '96 IM roadster.
The engine is a 1776 with an Engle 110 cam, dual Weber 40's, and a 042 head - 40 x 35.5.

What header diameter is recommended for this engine?

I'm considering the "Streetsport", by BAS.

"Streetsport" - www.ahnendorp.com/beetle1.html
Tube inside diam. 35-41mm slips over the original
heaterboxes - up to 140HP
Steel tubes and aluminum coated silencers 21134 342,30
Stainless tubes and stainless silencers 21137 607,95

Thanks for your help.

Dave

2/3/034:59 AM

❤️ 0

Former Member

A 1 1/2" merged system should be fine.

2/3/0311:16 AM

❤️ 0

DavesD

Thanks George

2/5/0310:15 PM

❤️ 0

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