Lady Deuce got her tubes untied
#64
Good to know on the Doug Thorleys. I wonder why they'd do that since they don't provide a complete downpipe solution anyhow, unless that's changed as well?
On the 7th Gen Montes, the 3500 uses a 2.25", the 3900 uses 2.5" and the LS4 uses 2.5".
Here's Walker's website with 3900 exhaust replacement components:
Walker Exhaust Master Catalog
Here's Walker's website with 3900 exhaust replacement components:
Walker Exhaust Master Catalog
#65
Thorley told me they had every thing I needed do a complete header install. Judging by the picture I posted it looks like the down pipe is there
Front header, rear header, crossover and a y pipe going to the cat
Will find out if this is true when we go to install
As for exhaust size Am confused now
But am happy with the magna flows and headers all 2.5 so guess it is what it is
Auto parts Wharehouse show replacment mufflers for the LS4 Monte SS as having a 2.25 in let so i dono conflecting stats
2006 Chevrolet Monte Carlo SS - Auto Parts Warehouse)
Front header, rear header, crossover and a y pipe going to the cat
Will find out if this is true when we go to install
As for exhaust size Am confused now
But am happy with the magna flows and headers all 2.5 so guess it is what it is
Auto parts Wharehouse show replacment mufflers for the LS4 Monte SS as having a 2.25 in let so i dono conflecting stats
2006 Chevrolet Monte Carlo SS - Auto Parts Warehouse)
Last edited by Tadcaster; 01-22-2014 at 06:48 PM.
#66
It doesn't include the full downpipe to the cat-back flange but replaces it up until the cat converter where I assume they expect you to cut and weld.
Looking at your pic, if the crossover pipe is 2.5", the Y collector exit looks like it could be 3", looks bigger. The Thorley headers I helped install a couple years ago were definitely 3" at the downpipe exit because we got it macgyvered up enough for him to drive to Solo and have a full 3" exhaust done.
Looking at your pic, if the crossover pipe is 2.5", the Y collector exit looks like it could be 3", looks bigger. The Thorley headers I helped install a couple years ago were definitely 3" at the downpipe exit because we got it macgyvered up enough for him to drive to Solo and have a full 3" exhaust done.
Last edited by Overkill; 01-22-2014 at 07:13 PM.
#67
I'll keep you all in the loop when the install happens
What they did and any problems that came up
This is all new territory for me so will learn as it goes
Plan is to have them in place by end of March or beginning of April
What they did and any problems that came up
This is all new territory for me so will learn as it goes
Plan is to have them in place by end of March or beginning of April
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