Pontiac G8 2008-2009 - Kooks 1 7/8" install, nice
locrzn
09-08-2009, 04:50 PM
Just got my car back from Speedtweekerz and it sounds good. The install took about 2.5 hours total. They fit perfect and no CEL's so far. Jim didn't think there would be a problem as they didn't remove the rear o2's. The car feels stronger in the mid range for sure. I just did a 93 retune on it and have the battery disconneded to relearn the new tune. We'll see what happens after I get back out and the rain quits. I hope to get out this weekend for a few dyno pulls to see what the AFR's are now.
heavy6.0
09-09-2009, 04:08 PM
thanks greg, glad we could get your business! dont forget to change sig (and mention us)
locrzn
09-10-2009, 05:21 PM
Thanks Jim, you guys did a great job and killer customer service. Awsome
black widow g8gt
09-10-2009, 08:04 PM
how much did parts and install run you were you able to keep ur cats on? where are they located?
locrzn
09-11-2009, 04:06 PM
The Kooks midtubes came with their own hiflow cats. I think install and all was about $925.00.
heavy6.0
09-11-2009, 04:27 PM
how much did parts and install run you were you able to keep ur cats on? where are they located?
The cats are bolted up right to the header. So you still retain the factory mid pipe as well as general o2 locations (no extensions needed)
Y2KFirehawk
09-11-2009, 11:07 PM
The Kooks midtubes came with their own hiflow cats. I think install and all was about $925.00.
Daymn! That's a bargain compared to F-Body headers! :ripped:
locrzn
09-12-2009, 03:14 PM
Remember, there mids and not long tubes. The long tubes are definetly more money. I didn't want to delete the cats, won't pass inspection in Missouri without them. These are very hi flowing, so, really no restrictions whatsoever. These stock motors need some restriction to not loose the torque. I'm very happy with them and speedtweekerz job they did.
MjMaro
09-13-2009, 11:31 PM
Always nice to have a positive experience with a shop, you'll have to post vids once you're back on the road
locrzn
09-14-2009, 08:38 AM
Its been on the road, runs great and I'll take it to the track this Friday to see if it actually boosted the performance any. It feels like it to me, we are also going to do some dyno pulls this week sometime. I don't have a video camera to post those, but, I'll give the updates as they occur.