This is a discussion on mufflex exhaust within the External Engine forums, part of the LSx Technical Help Section category; ive been looknig into cat backs for a while now tryin to decide the one i want look/perfomance wise. on ...
01-09-2010, 09:44 AM #1
ive been looknig into cat backs for a while now tryin to decide the one i want look/perfomance wise. on the mufflex site they have a lot of different kinds of cat backs and different prices but the pics are all the same pretty much. anyone got any pics or comments on these cat backs? also which one you ordered and how you like em
01-09-2010, 09:46 AM #2
oh yea. im bone stock right now 1999a4 z28 mods ill be doing this summer(hopefully)sfc's,volant cai,and maybe lts
01-09-2010, 10:39 AM #3
The Mufflex systems make great power. IMO, its very hard to find a Y-Pipe setup that will out perform a 3.5" or 4" system. I'm running a custom fabbed 4" system and 4" cutout. Its pretty similar to a mufflex. I could post some pictures, but it wont really point you in any direction for a particular mufflex system. I have never heard any complaints from any Mufflex user. They get great reviews all around.370 CI - Twin 6766 Turbo - Jakes stage 5 4L80E - MWC 9" - Holley Dominator
Build in progress...
01-09-2010, 11:11 AM #4
- Join Date
- Oct 2006
- St. Clair Shores. Michigan
Navy Blue Metallic
- `98 Formula M6 HdTp
I have the Mufflex 3.5" System behind the stock manifolds and Y pipe and I did feel a performance gain over my previous 3" system.
Heres a Pic of my Kit off the car
The reason behind the single out is less turbulence inside the muffler making the system more efficient and therefore produce better power. And with the tucked up turn down makes for a clean rear appearence.
Semi Retired Street Racer
2012 Lava Red Mustang GT Coupe Brembo/3.73's
Build Date 3/17/11, Last Lava Red GT
Gone but not forgoten
NBM `98 Formula M6 HdTp
1 of 1 Build Date 3/12/98
01-09-2010, 11:54 AM #5
I'm not so sure I like the single outlet look though.
Also do they sell y pipes with cats?(damn Illinois emmisions)
01-09-2010, 07:37 PM #6
- Join Date
- Dec 2005
- Laurel, Maryland
2000 Grand Prix GTP
- 2000 Trans Am WS6 M6
I have the 4" Mufflex system (4" to 3" Dual)...not installed yet, but it looks great sitting on my kitchen floor.
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