Nick@JDM
Well-Known Member
- Joined
- Oct 9, 2014
- Threads
- 29
- Messages
- 294
- Reaction score
- 124
- Location
- NJ
- Website
- www.teamjdm.com
- First Name
- Nick
- Vehicle(s)
- 2014 Tremor
+1Suitcase makes a big difference with how "raw" the car sounds. There isn't really much difference between ROUSH 2015 retail exhaust kit and 13/14 kit - biggest change in tone is from the suitcase. The dual tip exhaust (for the ROUSH R7 body kit) is actually a different muffler as the option will exist for active exhaust with that kit. The two exhausts have different tones, but both are very desirable imo.
By choosing to do an axle back only on a 2015 Mustang GT Roush is achieving that deep tone you all like. The "suit case" has a lot to do with high frequency noise cancellation similar to 2011-2014 owners keeping their factory resonators in the over axle pipes. The 2015 Mustang Roush Axle Back will yield a similar sound as the 2015 Mustang GT Ford Racing/Borla Sport Axle Back Kit IMO..
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