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04-20-2014
i bought some zzp mufflers from a guy on craiglist and thought it would be a good idea to do whole stainless exhaust. my question is i currently have a n/a 3.8 but i plan on doing a engine swap some time into the future would there be any drawbacks with a 3 inch exhaust on a n/a engine for the time being
04-20-2014
real quick second question besides the speed daddy headers and mufflers what else would i need to finish the exhaust
04-20-2014
headers won't help much on a stock N/A nor will a 3 in cat back cause you'll lose bottom end
http://www.grandprixforums.net/threa...+exhaust+build
04-20-2014
Not the point of the thread.Originally Posted by HighOctaneRacing
Don't worry about the exhaust.
04-20-2014
I never noticed any draw backs from speedy daddy headers on my 3.8 n.a engine, only power increase, I didnt lose any bottom end (that I could notice) and before the headers I had a 2.5" downpipe.
:4'' HAI\L67 HVTB\HV3\ER Rockers\WP underdrive pulley\Headers\cat delete\91 octane overkill incar tune.3.69 gears, Trans go shift kit.
04-20-2014
so no big drawbacks so speed daddy headers the mufflers a new flex new band clamps and thats all i need for a new exhaust
04-20-2014
Nope it will sound good, only concern id have is zzp muffs+headers=drone
I have a video of my headers if you like but I got a different glasspack and muffs
04-20-2014
yeah if possible i would like to keep drone down as much as possible
04-20-2014
keep your stock resonator or get the longest glasspack possible, I put a 26'' long glaspack in mine, it stopped the rasp/popping noises at high rpms by alot.
page 11 of my car thread in my signature there is a video of my exhaust without and with a glasspack.
Last edited by Grimsin; 04-20-2014 at 07:54 PM.
:4'' HAI\L67 HVTB\HV3\ER Rockers\WP underdrive pulley\Headers\cat delete\91 octane overkill incar tune.3.69 gears, Trans go shift kit.
04-21-2014
thanks that helped my decision out alot still not sure if i need any other exhaust pieces besides the headers and mufflers ...i dont see the y splt in the speed daddy kit
04-21-2014
Y split?
04-21-2014
It bolts up just like the stock manifolds and downpipe does all the way to the resonator.. Now beyond the resonator nothing will change unless you change something there
04-21-2014
ahhh very good sir...i'm in no way a car guru pardon my lack of knowledge my brother in law gets tired of the questions so he tells me to do the research the he throws everything on for me
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