Stock exhaust headers

[slo-joe55]

Just wondering at what point should after market headers be considered on a 231 cu in build?

 

[bmackinnon]

Stock headers will go deep into the 9's.... :wink:

 

[kshef]

130mph+

 

[Blazer406]

I've seen one around the 140mph mark..... and that was on pump gas and alky.....

 

[pajo]

That said it all :biggrin:..

 

[Mr.Spool]

actually when your tired of repairing the cracks and leaks.

 

[slo-joe55]

stock exhaust

Thanks Guys