DIY: Stock Catback Exhaust Removal

delusional · 04-22-2011, 01:15 PM

the old stock bolts can be reused for the new system right?

LinPark · 04-22-2011, 02:29 PM

I replaced the stock system with an HKS system and it included all the bolts you would need. The stock stuff seems to be comprised of a lug and nut (almost like what holds your rims on) and you can't really grip the head of the lug with anything while tightening the nut - I guess you could reuse it but I would recommend getting new bolts and nuts.

lauj · 09-01-2014, 10:05 PM

Does anyone know what the part number for the bolt for the mid section hanger? My snap in half! I'm went thru the service manual book, and not able to find that part. Any help would be appreciated.

JDV500 · 11-18-2011, 11:42 AM

Linpark,
my stillen set will be on the porch waiting for me when i get home today. where do you locate the floor jack under the rear to lift the car up, and can i get by with 2 jacks under the rear sides, leaving the fronts on the ground, is this enough to get under and get it done.?
Thanks in adv,

LinPark · 11-18-2011, 03:55 PM

I used the recommended side rear jack points in the user manual (can find it under the section for changing out a flat tire) and only raised the rear of the car when working on the catback. I jacked up one side and used a stand to support it then jacked up the other side and used a stand on it.

JDV500 · 11-19-2011, 10:07 PM

Finished the stillen cat-back exhaust system today, about an 1-1/2 hour with my teen son helping out..eveything fit great, looks perfect, and the sound and response is by far worth the $1200 spent. Stillen's tech support with my order and fast shipping were good to go. Really enjoying the new personality, the cold air intake system will be here in a couple days.

Luisdecks · 11-02-2016, 02:36 AM

Hey guys so I just removed my cat back today I love the way it sounds but I'm kinda iffy on some stuff. The piping that was left exposed I went ahead and tied it down with the sway bar so the pipes won't rattle while I drive. But than I noticed that having the pipes tied makes them point up toward my gas tank. This makes my rear bumper heat up while the cars on and not moving. Could this much heat affect anything. If I dont have the rear pipes tied down they rattle while I drive when I reach about 3k rpm.

Zbrah · 11-02-2016, 04:25 AM

Quote:

Originally Posted by Luisdecks

Hey guys so I just removed my cat back today I love the way it sounds but I'm kinda iffy on some stuff. The piping that was left exposed I went ahead and tied it down with the sway bar so the pipes won't rattle while I drive. But than I noticed that having the pipes tied makes them point up toward my gas tank. This makes my rear bumper heat up while the cars on and not moving. Could this much heat affect anything. If I dont have the rear pipes tied down they rattle while I drive when I reach about 3k rpm.

04-22-2011, 01:15 PM	#1 (permalink)
delusional Track Member Join Date: Feb 2011 Location: NewYork Posts: 968 Drives: 09 PG T/S/N 7AT Rep Power: 16	the old stock bolts can be reused for the new system right? __________________ 2009 Platinum Graphite Touring [ Sport Package ¦¦ Navigation ¦¦ 7 Speed Automatic ] [ Berk ¦ H&R ¦ ONEighty ¦ K&N ¦ Stillen ¦ Eibach ¦ Cobb ¦ Ichiba ¦ Hankook ]

11-18-2011, 11:42 AM	#4 (permalink)
JDV500 Base Member Join Date: Nov 2011 Location: Huntsville, Alabama Age: 61 Posts: 31 Drives: 2011 370z,2010 F-250 Rep Power: 14	Linpark, my stillen set will be on the porch waiting for me when i get home today. where do you locate the floor jack under the rear to lift the car up, and can i get by with 2 jacks under the rear sides, leaving the fronts on the ground, is this enough to get under and get it done.? Thanks in adv, __________________ Joe, Owens Crossroads, Ala

11-19-2011, 10:07 PM	#6 (permalink)
JDV500 Base Member Join Date: Nov 2011 Location: Huntsville, Alabama Age: 61 Posts: 31 Drives: 2011 370z,2010 F-250 Rep Power: 14	Finished the stillen cat-back exhaust system today, about an 1-1/2 hour with my teen son helping out..eveything fit great, looks perfect, and the sound and response is by far worth the $1200 spent. Stillen's tech support with my order and fast shipping were good to go. Really enjoying the new personality, the cold air intake system will be here in a couple days. carmelvalleyZ likes this. __________________ Joe, Owens Crossroads, Ala

11-02-2016, 02:36 AM	#7 (permalink)
Luisdecks Base Member Join Date: May 2016 Location: Long beach Posts: 10 Drives: 2011 Nissan 370Z Rep Power: 10	Hey guys so I just removed my cat back today I love the way it sounds but I'm kinda iffy on some stuff. The piping that was left exposed I went ahead and tied it down with the sway bar so the pipes won't rattle while I drive. But than I noticed that having the pipes tied makes them point up toward my gas tank. This makes my rear bumper heat up while the cars on and not moving. Could this much heat affect anything. If I dont have the rear pipes tied down they rattle while I drive when I reach about 3k rpm. Zbrah likes this.

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04-22-2011, 02:29 PM	#2 (permalink)
LinPark A True Z Fanatic Join Date: Jan 2010 Location: Columbus, OH Posts: 1,077 Drives: '17 Camaro 2SS A8 Rep Power: 24	I replaced the stock system with an HKS system and it included all the bolts you would need. The stock stuff seems to be comprised of a lug and nut (almost like what holds your rims on) and you can't really grip the head of the lug with anything while tightening the nut - I guess you could reuse it but I would recommend getting new bolts and nuts.

09-01-2014, 10:05 PM	#3 (permalink)
lauj Base Member Join Date: Sep 2011 Location: Arizona Posts: 174 Drives: 10 Nissan 370z M6 Rep Power: 14	Does anyone know what the part number for the bolt for the mid section hanger? My snap in half! I'm went thru the service manual book, and not able to find that part. Any help would be appreciated.

11-18-2011, 03:55 PM	#5 (permalink)
LinPark A True Z Fanatic Join Date: Jan 2010 Location: Columbus, OH Posts: 1,077 Drives: '17 Camaro 2SS A8 Rep Power: 24	I used the recommended side rear jack points in the user manual (can find it under the section for changing out a flat tire) and only raised the rear of the car when working on the catback. I jacked up one side and used a stand to support it then jacked up the other side and used a stand on it.