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Old 03-11-2014, 12:30 AM   #1
Scooby Newbie
Member#: 373120
Join Date: Nov 2013
Default catback & exhaust questions

I need help with the Best cat back pipes and sizes to help get that classic deep rumble but also not loud to get me a ticket. What is a good combination ? Just cat back maybe 3 inch pipes with a what size muffler? Options..options

1995 Subaru Impreza L /RS swap
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Old 03-11-2014, 12:37 AM   #2
Scooby Newbie
Member#: 349378
Join Date: Mar 2013
Chapter/Region: W. Canada
Location: SK, Canada
1993 Impreza WRX Sti


My RS is straight piped with a resonator, it's 2.5" with some no-name can on the back. It's got a decent rumble, wouldn't say it sounds the best under high load.
FrozenIce is offline  
Old 03-11-2014, 01:33 AM   #3
Scooby Newbie
Member#: 343934
Join Date: Jan 2013
Chapter/Region: SCIC
2011 WRX
Charcoal Gray


Megan axle back if they make it.
ClemRoo is offline  
Old 03-11-2014, 06:38 AM   #4
Newbie Moderator
Member#: 91347
Join Date: Jul 2005
Chapter/Region: NESIC
Location: Ord, Nebraska
'13 XV Crosstrek,12
1050 Triumph Speed Triple


You need unequal length headers. Not just a catback for "that classic boxer rumble"

Please do a search for "exhaust". There a bazillion threads about it.
Loyale93 is offline  
Old 03-11-2014, 07:18 AM   #5
Brother EddieJ.
Scooby Specialist
Member#: 181617
Join Date: Jun 2008
Chapter/Region: MAIC
Location: frederick, md
2004 wrx
6speed/ 330whp/ 300wtq


How many of these threads are you gonna make? So far you have 3. And they all have the same info and advice in them. How many different ways do you need to be told what's what?

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