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LaCrosse Super

6 messages,  Last post on Jun 05, 2009 at 5:27 AM

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#4 of 6 Re: LaCrosse Super [jpstax1] by snakedr549 Jul 23, 2008 (9:27 pm)
Replying to: jpstax1 (Mar 24, 2008 9:39 am) I also have a Red Jewel with the cocoa interior. With a tad over 2700 miles I've had no problems. My wife and I love it, we agree about XM and Onstar too. Very fast, very cool. I noticed a little torque-steer at full throtle, but very manageable, not a problem. Replies to this message: jpstax1 (Jul 26, 2008 4:51 pm)
#5 of 6 Re: LaCrosse Super [snakedr549] by jpstax1 Jul 26, 2008 (4:51 pm)
Replying to: snakedr549 (Jul 23, 2008 9:27 pm) I would like to thank everyone for their replies to this thread. BTW, I read where the GM Performance Division engineers had to give up 3 hp in order to get the exhaust tuning right. However, it was much too quiet for my taste, so I had the resonator removed and a straight pipe installed in its place. Now the exhaust sounds more aggressive during acceleration and mellow during crusing and idling, like a V-8 engine should. Fortunately, it's still pretty quiet inside the cabin, which I think is due to Buick's patented "quiet tuning" process. I read where they use laminated glass and sound deadening materials to help reduce engine and exhaust noise inside the cabin. I don't know if I've recovered some of that lost 3 hp, but the car does seem a little bit quicker. I also replaced the stock air filter with a drop-in K&N performance filter for better air flow to the throttle body.
#6 of 6 2008 LaCrosse Super by papaboo Jun 05, 2009 (5:27 am)
Just bought a new 2008 Super (05/30/2009), great and get up and go! Amazed how it handles. Best thing about buying it now was it was still made before GM had problems. Everything I've read leads me to believe that the 08 and 09 are the most recent Supers produced since the '58. Has anyone changed anything besides the resonator and the stock air filter to a K&N filter? Did you have any computer problems with the increased air flow with the K&N? I like the idea of a more mellow sounding exhaust and a few more HP and better MPG wouldn't hurt either but not important. I purchased it as a second car for my wife and something for me to zip around with.

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