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View Full Version : G8 with headers


John McIntire
03-26-2009, 02:21 PM
http://www.youtube.com/v/xFcmpFkv2VY&color1=0xb1b1b1&color2=0xcfcfcf&feature=player_embedded&fs=1"></param><param

Man that LS3 really sounds good! I bet the Camaro's will sound then same!
bingham72
03-26-2009, 03:57 PM
That does sound good, but not smart.
andrewb70
03-26-2009, 05:34 PM
Too loud

Andrew
SHANE 73Z
03-26-2009, 05:54 PM
A local club member just put an SLP Loudmouth on his GT. It completely eliminates the mufflers behind the bumper with straight pipe & a set of tips. It sounded good as there are the cats & 2 sets of resonators in the mid pipe that kept the sound level reasonable.

He is installing headers this weekend though, i am curious to see if that will be overkill.

Shane
Samckitt
03-26-2009, 06:10 PM
Didn't look like 105 to me.
bwhinnen
03-26-2009, 06:57 PM
A local club member just put an SLP Loudmouth on his GT. It completely eliminates the mufflers behind the bumper with straight pipe & a set of tips. It sounded good as there are the cats & 2 sets of resonators in the mid pipe that kept the sound level reasonable.

He is installing headers this weekend though, i am curious to see if that will be overkill.

Shane

Still the stock system for the rest? Ie cats, and resonators? That'd sound pretty interesting...
bwhinnen
03-26-2009, 08:32 PM
This is mine with just a twin 3" exhaust and also the stock HSV 4-1 short headers.

http://www.youtube.com/watch?v=g2RbFhHSmGA

Damn encoding didn't work properly updated...
SHANE 73Z
03-27-2009, 04:53 AM
Did your exhaust replace the entire mid pipe? Were the rear mufflers replaced as well? I think yours sounds good.

In our club we have a the G8 which sounds good so far. My buddy has a GTO that is just obnoxious (headers & spintech mufflers). Then there is the 4th gen that trumps them all (headers & dynomax race bullets).


Still the stock system for the rest? Ie cats, and resonators? That'd sound pretty interesting...

I was surprised as well, the midpipe is completely untouched. The only drawback is the Loudmouth is expensive. Like $300+ for just a couple bent pipes and tips.

Ill have to see if we can get some vid after the header install.

Shane
bwhinnen
03-27-2009, 01:08 PM
Shane,

Mine is a complete replacement from the OE cats back. So it goes from the cats to twin 3" into a cross over pipe and then two resonators and into two mufflers as it exits.

Not sure how the G8's are but the HSV has headers rather than a cast exhaust manifold, so that does help to open up the sound a bit :)

Cheers
Brett