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Vendor
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Discussion Starter #1
We just started a new promotion with Stainless Works exhaust. 7% off our already low prices, and of course Free shipping (48 States). This sale includes these Ecoboost exhaust parts;


Discount Code: Stainless7
[h=1]2011-2013 F-150 3.5L Ecoboost Stainless Works Off-road Downpipe (Y-Pipe)[/h]
ftecodp_2011-2013_f150_ecoboost_stainless_works_off-road_downpipeoffroadthumb.jpg

[h=1]2011-2013 F-150 3.5L Ecoboost Stainless Works Catted Downpipe (Y-Pipe)[/h] ftecodpcat_2011-2013_f150_ecoboost_stainless_works_catted_downpipecattedthumb.jpg

[h=1]2011-2013 F-150 3.5L Ecoboost Stainless Works S-Tube Turbo Cat-back Exhaust[/h]
fteco_2011-2013_f150_ecoboost_stainless_works_turbo_chambered_cat-back_exhauststubethumb.jpg

[h=1]2011-2013 F-150 3.5L Ecoboost Stainless Works Chambered Turbo Cat-back Exhaust[/h]
fteco_2011-2013_f150_ecoboost_stainless_works_turbo_chambered_cat-back_exhaustchamberedthumb.jpg

Here is our video of the Chamber version of the Stainless works cat back.

 

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Premium Member
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2,427 Posts
Probably the best exhaust system out there... Take advantage of a sale because it's a very pricey item!
 

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5,412 Posts
See the write-up attached
Stainless Works Catback Differences - LS1TECH

Sent from my SCH-I545 using Tapatalk
Nice link. It also states the S-Tube is specifically designed for Turbos and has more gains (though marginal) over the chambered. The only negative is the S-Tube is probably a little louder than the chambered. But, that's why most guys are changing their exhaust IMO.
 
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