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08-17-2011
Hey i have a 2008 Grand Prix GXP 5.3L. i really want to install a down pipe, could someone please help me out. i have done some research on Hogan downpipes and it seems like that is my best bet. could someone please give me a link or website/phone number to contact someone or know of anyone with one for sale.
THANKS!!
08-17-2011
I've heard good things about hogan.
Originally Posted by W-Body Store
08-17-2011
Sorry, I couldnt help it.
08-18-2011
Yeah...Hogan Performance DP's.
Or...
Doug Thorley Catless headers...that's the good stuff.
08-18-2011
My dad has a 08 GXP and bought the Hogan downpipe. Its the 400 series stainless and there are a few complaints about there downpipes have a ticking sound. His does tick a little bit at start up but after it warms up it goes away. He says the butt dyno can feel a difference from it.
08-18-2011
HEY, thanks guys for helping me out.
08-18-2011
The ticking is either from an exhaust leak or the flex...Try resealing it with some copper RTV or wrapping the flex in header wrap...tips fer yer old man
I STILL SAY HEADERZZZ
08-18-2011
One more thing, if i would install the downpipe i would just have to weld it up tothe exhaust (obviously) and is there any other mods that i would have to do to the car or just put the DP on and good to go?
08-18-2011
Headerzzz
The ticking is either from an exhaust leak or the flex...Try resealing it with some copper RTV or wrapping the flex in header wrap...tips fer yer old man
I STILL SAY HEADERZZZ
08-18-2011
I recently put the Hogan DP9S(catless)on my GXP along with Magnaflow Catback.. The dp bolted right in. The catback on the other hand needed some additional bends to allow proper fit. I wrapped the DP and the Resonator section with DEI Titainium wrap. My interior is actually more quiet than when I ran universal magnaflows with tips. The drone before was unbelievable!
Also, don't forget gaskets
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