Anyone install an X pipe or underdrive pulley?
02-27-2004, 09:28 PM
#1
Staging Lane
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Anyone install an X pipe or underdrive pulley? Just wanted to know if anyone installed an x pipe and if there was any improvement?
How about an underdrive pulley?
I want to install these on my 04 Z06.
How about an underdrive pulley?
I want to install these on my 04 Z06.
02-28-2004, 01:31 PM
#2
I installed the magnaflow x-pipe at the same time as I installed the borla stinger exhaust. Only improvement is sound. Doesn't pop so bad, or sound like a boat.... It sounds a lot better!!!
I have yet to install the asp pulley on my vette... I had one on my TA, because it is suppose to give you roughly .1 or so in the 1/4 mile...
I have yet to install the asp pulley on my vette... I had one on my TA, because it is suppose to give you roughly .1 or so in the 1/4 mile...
02-28-2004, 08:12 PM
#3
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i have installed a few x-pipes on customers vettes, the most noticable difference is alot less popping. read an article in gmhthp mag on underdrive pulleys, at one point on slp's dyno harmonics actually reduced power.
02-28-2004, 10:35 PM
#4
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I wouldnt install an underdrive pulley unless you're going to replace the camshaft at the same time. You have to remove the rack, so its not quite a simple as an f-body.
I have both of these mods, but did them in conjuction with other modifications so I dont know if they helped.
I have both of these mods, but did them in conjuction with other modifications so I dont know if they helped.
