are those factory welds or? if not where did you get it done and how much?
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are those factory welds or? if not where did you get it done and how much?
just my local exhaust place, A1 Exhausts, i think there a franchise, the guys are pretty friendly, an all... even though they dont know there stuff in regards to small capacity engines lol.. but like wise there work is good My custom b-Pipe was all up $220, custom made and fitted, as at the time no one had a prefabbed b pipe, so i bit the bullet and opted to go custom
Nah there not factory welds, they look close to it though lol
ok i got up to page 4 and was like meh
but heres my experience:
my car has a D15b7 with D16a6 Cam and D16z6 Intake Manifold
i have ES engine mount inserts and an engine torque damper
i was using stainless 4-2-1 headers with the stock exhaust and a Fujita CAI
i decided to get the exhaust done and this is the setup my mechanic helped me get
Magnaflow Metal Hi-Flow Cat > 2.5" stainless catback w/one hotdog resonator > Xforce S12 Oval Twinloop Muffler
mine makes the buzzing/rattling/metal sound from 4000k onwards
after extensive tests on the road, jacks and hoist we have narrowed down the sound to the cat and the area around it
also i dont have a flex pipe - just the flange and spring loaded bolts
which could also be my problem because i dont think the springs have any 'spring' left in them lol
i still havnt gotten around to sorting it yet - but ill let you know when i do
Yeah let me know how it goes down. When u say onwards does it mean it stays there cause mine disappears after the rpm range....
yeah mine is from about 4500-5000 until redline - most noticable in this area tho
Hmm interesting, wonder if it's something to do with resonance.
Will be very interested to know your findings.
yeah just waiting for my mechanic to get some free time to do my brakes - and hes gona have a listen to it when he takes it for a drive to test them
he built the catback himself using full quality stainless steel and his welding was almost perfect - cant complain for $140 for the headers, $40 for the muffler and $250 for the catback fitted lol - ah D series engines - so cheap and easy lol
my thoughts is that its either the join from the headers to the cat - possibly the spring loaded bolts not up tight enough - or it needs a flex pipe there
or it could be either the cat or the 'hot-dog' resonator acting up
I've pinpointed it to those two things also, but hard to tell what either one is without spending more money!
its a shame the original exhaust builder wouldnt help you properly - shouldnt cost money to fix a problem thats their (or the products) fault
Yeah exactly he was such douche! Now I have to spend more money to fix this up!
heres some pics of my stainless exhaust - i suspect the problem is between the cat and the headers or either one of them
or its possible its the resonator ... need to get it looked at
N*Power 4-2-1 Header
http://i400.photobucket.com/albums/p...g?t=1301561863
http://i400.photobucket.com/albums/p...g?t=1301561864
Header Collector and join to Cat (u can also see UR Front Lower Bar and ES Shifter Bushing)
http://i400.photobucket.com/albums/p...g?t=1301561877
Magnaflow Cat
http://i400.photobucket.com/albums/p...g?t=1301561874
http://i400.photobucket.com/albums/p...g?t=1301561878
Generic Stainless Hot Dog Resonator and stainless b-piping
http://i400.photobucket.com/albums/p...g?t=1301562327
http://i400.photobucket.com/albums/p...g?t=1301562329
Stainless axle back piping and Xforce S12 Oval Barrel Twinloop Muffler (theres a bit of heat wrap on the part that loops over the muffler)
http://i400.photobucket.com/albums/p...g?t=1301562009
http://i400.photobucket.com/albums/p...g?t=1301562011
You're install job looks quite nice. So you still haven't found the source of the noise yeah?