This is what I've been using. They're stainless, super smooth and come in whatever size you need and in 45° and 90° elbows.So today i used this https://www.summitracing.com/parts/pte-h7000
to make the header part going from the exhaust flange to the first divergent cone on the expansion chamber.
Alot better flow i guess. Seems to idle smoother and respond to the throttle a bit better.
The hill pulling power has increased quite a bit.
Ya'll are amazing Humans
This is what I've been using. They're stainless, super smooth and come in whatever size you need and in 45° and 90° elbows.
View attachment 930341 Piece Sanitary Weld Reducer Stainless Steel 316. Rate (item arrived). Canada Rate (item arrived) 0.0% 47.1% 31.4% 17.6% 3.9%. United Kingdom. Wall Thickness: 1.5-3 MM (increasing with OD). High Pressure Durable.www.ebay.co.uk