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Discussion Starter · #2 ·
More details on the setup from the Roush Performance website:

2015 Mustang 3.7L ROUSH V6 and 2.3L Ecoboost Exhaust Kit - Round Tip (304SS)



Our Price: $571.99 (USD) * Part #: 421837

Product Features
  • All new for 2015 V6 and EcoBoost Mustangs
  • ROUSH designed Single tip high-flow mufflers
  • Corrosion resistant 304 stainless steel
  • Full mandrel bending
  • 4" Flash-chromed dual wall tips
  • Uses OEM hangars and mounting points
  • Requires no welding
  • Some cutting required

Description:
With the affordable yet powerful V6 and the fast and economical EcoBoost engine choices , Ford’s 2015 Mustang offers high performing options to suite any budget or sensibility. While both of these engines perform well beyond what their cylinder count would imply, with ford’s stock exhaust they don’t quite have the aggressive sound Mustang owners crave.

ROUSH Performance has a specially engineered exhaust that fits both the V6 and the EcoBoost Mustangs. Constructed from t-304 stainless steel, the 2015 ROUSH V6 exhaust is corrosion and stain resistant. Constant diameter mandrel bends maintain high flow and reduce backpressure. This exhaust uses factory mounting points and will fit both V6 and EcoBoost mustangs without requiring any modification or welding. This axle back system improves the sound and performance of your mustang with single tip High flow Mufflers.

This exhaust is noticeably louder and produces a deeper tone at idle and a raspy aggressive sound at higher revs.

Installation:
 

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The choice is getting more complex....
Borla or Roush ? $ 210 difference...
Both sound nice on youtube...
Chrome pipes are seperate with Roush (advantage/dis-advantage ?)


Does any of these provide more HP ? If yes how many...?
 

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Discussion Starter · #4 ·
The choice is getting more complex....
Borla or Roush ? $ 210 difference...
Both sound nice on youtube...
Chrome pipes are seperate with Roush (advantage/dis-advantage ?)


Does any of these provide more HP ? If yes how many...?
That information I haven't been able to find as yet but either way it won't matter too much, gains with a setup like this will always be insignificant.
 

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That information I haven't been able to find as yet but either way it won't matter too much, gains with a setup like this will always be insignificant.

I agree the gains (if any) with this setup will be insignificant. So, sound and looks would be the deciding factor. I have had the privilage of hearing ( and seeing) both setups, axle back, side by side. Both look very nice, but I do like both the look and sound of the Ford racing exhaust a little more. Also, the one piece design does look better IMO
 
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