What is the Best catless system for torque and weight savings

N8dawg · 12-13-2010, 08:35 PM

Two new great systems have recently come to the market. The Akrapovic GT4 system and the new redesigned RPI system. Unfortunately the stats like weight, torque and power gains are still in the dark, anyone have any ideas on these two? or anyone know of another brand that meets the criteria?

N8dawg · 12-13-2010, 08:38 PM

Just realized I posted this in the video section, sorry moderators. Just swap the post over if you could, thanks!

RENN Spec · 12-14-2010, 12:49 PM

Here is a link to a forum member with a CATTED Akra system:
http://www.m3post.com/forums/showthread.php?t=463231
With that kind of gain, expect maybe 5rwhp-10rwhp more for the GT4 system. Now with that being said, the Akra gt4 pipes should weigh 9-13lbs.

Good luck!

12-13-2010, 08:35 PM	#1
N8dawg First Lieutenant 53 Rep 383 Posts Drives: 2008 E90 M3 Join Date: Oct 2009 Location: St Petersburg, Florida iTrader: (0)	What is the Best catless system for torque and weight savings Two new great systems have recently come to the market. The Akrapovic GT4 system and the new redesigned RPI system. Unfortunately the stats like weight, torque and power gains are still in the dark, anyone have any ideas on these two? or anyone know of another brand that meets the criteria?
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12-13-2010, 08:38 PM	#2
N8dawg First Lieutenant 53 Rep 383 Posts Drives: 2008 E90 M3 Join Date: Oct 2009 Location: St Petersburg, Florida iTrader: (0)	Just realized I posted this in the video section, sorry moderators. Just swap the post over if you could, thanks!
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12-14-2010, 12:49 PM	#3
RENN Spec Major 141 Rep 1,314 Posts Drives: 488 Pista, M2CS, Tundra Join Date: Jul 2009 Location: Arcadia, CA iTrader: (3)	Here is a link to a forum member with a CATTED Akra system: http://www.m3post.com/forums/showthread.php?t=463231 With that kind of gain, expect maybe 5rwhp-10rwhp more for the GT4 system. Now with that being said, the Akra gt4 pipes should weigh 9-13lbs. Good luck!
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