Grand Prix GTP custom exhaust

Just testing my new phone. Got a Samsung Galaxy Discover. It dose not work really well in low light.

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ZZP 2.5 Cat Back Exhaust Pontiac Grand Prix GTP
So this is a sound clip of my new Exhaust on my 1997 Pontiac Grand Prix GTP, only mods is a open cone, will do another video once the headers are installed also from ZZP This is the link to the set up I have the dual round tip and the ZZP Chambered Resonator

W-BodyTech 2002 Grand Prix GTP With Speed Daddy Headers
2002 Pontiac Grand Prix 3800 SuperCharged with 3.5 Pully, Speed Daddy headers, Custom PCM Tune. This was the first test drive with the new Headers. You can hear the downpipe leaking when we first start it but that is all fixed now. Like us on Facebook Follow us on Twitter +1 us on Google+

Custom 2004 Pontiac Grand Prix GT
via YouTube Capture

Lightly modded GTP dyno
video of my first time on a Dyno in the early spring of 2008 at cozzolino's in southwest indianapolis as part of the indy grand prix club Dyno day. mods at the time were: -3.4 pulley -homemade FWI -ported outlet only blower -1.9 comp pro-mag roller rockers -105 lb springs -zzp powerlog -zzp catless 3" DP -AL104 -180 -no tune car ran a best of 13.64 with this setup