Roush Side Exhaust Kit Short Muffler With Tips For Roush Side Skirts GT 1999-2004

Roush: SM02-4K010-V8
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Roush Side Exhaust Kit Short Muffler With Tips For Roush Side Skirts GT 1999-2004

Product Description

Roush Short Muffler Side Exhaust Kit with Tips for 1999-2004 Mustang GTs Equipped with Roush Side Skirts.

ROUSH utilizes a process that allows the tubes of this system to maintain a consistent inside diameter through the bended area. This produces a significant increase in flow over stock/serrated-bent pipes resulting in an increase in both latent power and fuel efficiency.

This exhaust produces a very loud and aggressive, throaty-sound and is made of T-304 stainless steel, providing for resistance to corrosion and staining.

The parts of this package include cast exhaust tips, intermediate exhaust tubes, short mufflers with outlets, outlet pipes, rubber exhaust insulators, and installation hardware.

A version of this kit that generates less sound is also available in the ROUSH Side Exhaust Kit for 1999-2004 Mustang GTs (CBR03).

*This kit requires ROUSH Side Skirts (part #SM01-1300-AA right and #SM01-1700-AA left) for the exhaust tips.

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Mustang Applications

This product will fit the following Ford Mustang years:

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Product Questions


I have a 2004 mach 1 with the stage III kit. The side exhausts (Magnaflow mufflers) are REALLY quiet. I assume they are the CBR03. Can I still get the louder (02?) mufflers? If so, is it just a swap. . . all brackets are included and will fit? Thanks

Asked by: Rick MachRoush
It will be a direct swap, yes. You'd want CBR04 for your swap, as that's the louder kit.
Answered by: CJ Pony Parts
Date published: 2015-06-29

Will the Roush side exhaust Kit work on convertibles with the frame stiffeners ( frame connectors)?

Asked by: Radroush
As far as we know, it will work on both coupes and convertibles.
Answered by: CJ Pony Parts
Date published: 2015-04-27
  • 2015-07-02T11:41CST
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