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ARK GRIP + GTM RTP = :mad:

I'm not bad mouthing the dealer. They just didn't have experience with this particular exhaust. I should have told them to jack up the x pipe prior to tightening the

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Old 03-20-2011, 02:53 PM   #31 (permalink)
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I'm not bad mouthing the dealer. They just didn't have experience with this particular exhaust. I should have told them to jack up the x pipe prior to tightening the bolts. Adding silicon sealant is something a lot of shops do but usually at request. I'll make sure they do this tomorrow.



Again thank u all for your input. It may seem like a minor issue but I don't make huge $$ so it was a big investment to purchase an exhaust plus a test pipe and pay for the labor so I know the value of a dollar and I think that a dealer/shop who sold me the parts AND installed them should make good on it if there's a problem. I certainly don't expect them to fix the hissing noise. That happens with test pipes I know. But the rattling is severe so I hope they'll go through the process of a test drive and re-install free Of charge.
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Old 03-20-2011, 02:56 PM   #32 (permalink)
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Quote:
Originally Posted by NeverBoneStck View Post
Its the Ark and test pipe combo . This has been hashed many times on other forums.
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So you think the rattling isn't mechanical (metal to metal)? If this is what's happened with test pipes and the ARK I'll just re-install the stock cats. Do you have any links to the other forum posts? It really sounds like there's a metal on metal rattle. It vibrates the whole cabin and you can hear it at idle now.

If this has been documented with the combination of ark + test pipes I'll have the dealer relace the stock cats. Any help is appreciated as I'm going back first thing tomorrow to have this rectified. Thanks everyone in advance. All the advice is appreciated!!!
neverbone stock is referring to the hiss part. Its been mentioned a few times on this forum with particular combos

The rattling is definitely a botched install. Other people with other exhausts, not just ARK, have complained, and found the install wasnt done in order.
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Old 03-20-2011, 03:00 PM   #33 (permalink)
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Thanks this is what I thought. I knew the hiss/whistling sound was from the test pipe. That's not my problem. I can live with that. The rattling is killer and that has to be from the installation.

What do u recommend for a re-install other than loosening everything and propping up the x pipe prior to tightening the bolts +/- silicon sealant?
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Old 03-20-2011, 04:02 PM   #34 (permalink)
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personally, I dont think silicone is all that necessary, best is as you mentioned, loosen it all up, then starting from the test pipes, tighten each piece one by one, holding them in position (generally up a bit, higher than where it should be as it would sag down a bit)

keep the hangers tigheted and in place though, those will help align the stuff as you tighten them.
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Old 03-20-2011, 04:04 PM   #35 (permalink)
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Originally Posted by daisuke149 View Post
personally, I dont think silicone is all that necessary, best is as you mentioned, loosen it all up, then starting from the test pipes, tighten each piece one by one, holding them in position (generally up a bit, higher than where it should be as it would sag down a bit)

keep the hangers tigheted and in place though, those will help align the stuff as you tighten them.
Thanks bro. I'll make sure they do this.
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Old 03-20-2011, 04:07 PM   #36 (permalink)
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Check by the passenger side exhaust can, there is a metal shield that it might be in contact with causing the rattle. I just had to bend mine back since it was touching the can of my FI exhaust and I know the Ark muffler would be in the same location.
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Old 03-20-2011, 04:09 PM   #37 (permalink)
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Check by the passenger side exhaust can, there is a metal shield that it might be in contact with causing the rattle. I just had to bend mine back since it was touching the can of my FI exhaust and I know the Ark muffler would be in the same location.
I'll make sure they do this too. The rattling noise is definitely coming from the passenger side.

Much thanks!
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Old 03-20-2011, 04:10 PM   #38 (permalink)
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also, the hiss is something all our cars have with any combo / exhaust.

The whiste, would shouldnt be super loud. if there is a loud whistler its an exhaust leak. If you still get a slight whislte and confirm no leak, its probably the crossover x-pipe in the ARK. maybe some header wrap on that section could help quiet it down.
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Old 03-20-2011, 04:11 PM   #39 (permalink)
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Quote:
Originally Posted by BLM View Post
So you think the rattling isn't mechanical (metal to metal)? If this is what's happened with test pipes and the ARK I'll just re-install the stock cats. Do you have any links to the other forum posts? It really sounds like there's a metal on metal rattle. It vibrates the whole cabin and you can hear it at idle now.

If this has been documented with the combination of ark + test pipes I'll have the dealer relace the stock cats. Any help is appreciated as I'm going back first thing tomorrow to have this rectified. Thanks everyone in advance. All the advice is appreciated!!!
Its not a leak. I had this combo on my g and so have many others . I switched my exhaust to a better flowing one and the sound went away. Switched my test pipes to art pipes and rasp went away..Still have the hiss nits it's not that bad. It's the vq
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Old 03-20-2011, 04:25 PM   #40 (permalink)
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Thank you everyone for your input!! Again, I'm not really concerned with the hiss/whistling sound. Its the rattling that bothers me. If u listen to the sound clip there's two decelerations that show what I'm talking about. It sounds like a metal on metal rattle and it's now present at idle and on hard acceleration (and deceleration most noticeable around 2500-3000 rpm). Again, this leads me to believe there is a prominent metal on metal contact that's causing the rattling. Hopefully this can be fixed with a re-install
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Old 03-20-2011, 09:51 PM   #41 (permalink)
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I have the ARK with Berks. Thiss hiss/whistle is normal, the metal rattling is NOT. Sounds like a clearance issue with the install.

Also, I had a rattling right after my install too. It turned out that plug for the extra O2 bung on the Berk HFC was not torqued down properly from the factory and was rattling loose. Tightened it up and the metallic rattling was gone. Don't know if yours even has that O2 bung, but it's worth a look.
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Old 03-20-2011, 10:04 PM   #42 (permalink)
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Quote:
Originally Posted by BLM View Post
Thank you everyone for your input!! Again, I'm not really concerned with the hiss/whistling sound. Its the rattling that bothers me. If u listen to the sound clip there's two decelerations that show what I'm talking about. It sounds like a metal on metal rattle and it's now present at idle and on hard acceleration (and deceleration most noticeable around 2500-3000 rpm). Again, this leads me to believe there is a prominent metal on metal contact that's causing the rattling. Hopefully this can be fixed with a re-install
Did you check if the heat shield is contacting the rear passenger side muffler? 10 bucks says that is the culprit, I just solved that same issue with my FI exhaust.
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Old 03-20-2011, 10:31 PM   #43 (permalink)
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Originally Posted by christian370z View Post
Did you check if the heat shield is contacting the rear passenger side muffler? 10 bucks says that is the culprit, I just solved that same issue with my FI exhaust.
How do I rectify this? Bend the shield back?
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Old 03-20-2011, 10:33 PM   #44 (permalink)
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Quote:
Originally Posted by BalanBro View Post
I have the ARK with Berks. Thiss hiss/whistle is normal, the metal rattling is NOT. Sounds like a clearance issue with the install.

Also, I had a rattling right after my install too. It turned out that plug for the extra O2 bung on the Berk HFC was not torqued down properly from the factory and was rattling loose. Tightened it up and the metallic rattling was gone. Don't know if yours even has that O2 bung, but it's worth a look.
I specifically asked them to use lock-tite on that bung and torque it down. I'll check again tomorrow.
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Old 03-20-2011, 11:50 PM   #45 (permalink)
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I'm getting that same rattling too man. I did the install myself. I got a little hiss, thought it was a leak. I went back on a lift. Let it cool down after installing my suspension then started the car, lifted it and check all the couplings. No leaks. Thats just how it sounds. I will look at my rattling issue today.
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