They are 1.75" with 2.5" connectors; exhaust is dual 2.5".

Have you investigated Borla?

 

I did look at the Borla website and checked out the youtube video comparing the S-Type and Touring style Turbo Mufflers.

I'd have to say that the Turbo mufflers are pretty convincing, and should fit too, they're only 4" wide.

Thanks for the recommendation.

 

I checked the stainless works website again, specifically looking to see if they had dimensions for the mufflers that they use on their true dual cat-back system...

Seen here


They are 4"x8"x14", so the Borla's should work just fine.

 

No problem I would love to have a setup like that.

 

I run SW headers on a swap car. Very impressive build quality

Hooker Aerochambers for muffs. Flow great, no drone, sound evil WOT, small package