Exhaust pipe diameter?
Fleet Owner
Joined: Dec 2009
Posts: 20,678
Likes: 83
From: NorCal
Like we stated above, 3-inch duals is overkill (and at significantly more cost!!) unless your engine is making 600+ HP.
2.5-inch duals is just right for an FE engine....
Header wrap gets wet and moisture, over time, will mar even ceramic finish and corrode painted steel. Don't do it.
2.5-inch duals is just right for an FE engine....
Header wrap gets wet and moisture, over time, will mar even ceramic finish and corrode painted steel. Don't do it.
Thread Starter
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Senior User
Joined: Sep 2008
Posts: 311
Likes: 1
From: Waterdown, Ont.
Well, the plate on my door says 156 hp at 4000rpm. Not sure if that's at the crank, or rear wheel... Rear wheel, I hope. In any case, 2.5 seems to be fine, and that's whats on there now.
I will not wrap my pipes in anything, now that I know it's not a good thing.
I'm gonna see if my local speed shop can source those Sandersons. Will go from there.
Thanks to everyone for all the help, & I'll keep you posted.
zenmaster
I will not wrap my pipes in anything, now that I know it's not a good thing.
I'm gonna see if my local speed shop can source those Sandersons. Will go from there.
Thanks to everyone for all the help, & I'll keep you posted.
zenmaster
Fleet Owner
Joined: Dec 2009
Posts: 20,678
Likes: 83
From: NorCal
Just order the Sanderson headers through Sanderson. They'll take care of it and there will be no "tack-on" costs from your speed shop.
Please clarify....Do you currently have a 2.5-inch single or 2.5-inch dual system at this time???
The stock configuration is a single, 2.25 tube and a single muffler.
Please clarify....Do you currently have a 2.5-inch single or 2.5-inch dual system at this time???
The stock configuration is a single, 2.25 tube and a single muffler.
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Senior User
Joined: Sep 2008
Posts: 311
Likes: 1
From: Waterdown, Ont.
HIO Silver,
I didn't realize you could order directly from Sanderson. I will contact them after the holiday. My current system is a main pipe with a crossover pipe into a single muffler. The diameter is 2.5" throughout. This terminates with a short (12") pipe exiting the muffler. I don't know if it's stock, but it's the way I bought it. I did replace the muffler with a generic muffler from Napa last year.
Cheers,
zenmaster
I didn't realize you could order directly from Sanderson. I will contact them after the holiday. My current system is a main pipe with a crossover pipe into a single muffler. The diameter is 2.5" throughout. This terminates with a short (12") pipe exiting the muffler. I don't know if it's stock, but it's the way I bought it. I did replace the muffler with a generic muffler from Napa last year.
Cheers,
zenmaster
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