Exhaust system

[jvarnadoe]

AB ran a sale on the Double S stainless steel cat back so I decided to try it out. The way they shipped it was a little disconcerting (no packaging), but everything seems to be in great shape. The construction is very robust and seems to weigh quite a bit more than the Brit Part exhaust it's replacing. The hope is that I'll never have to replace the cat back again.

I now need to figure out which cats I'm going to purchase so I can pass emissions and renew my registration.

Also, should I use an exhaust olive at the muffler inlet? I used one with the Brit Part cat back, but it never seemed to sit quite right. I've researched and some say use it and others say you don't need it.

 

[outono]

AB ran a sale on the Double S stainless steel cat back so I decided to try it out. The way they shipped it was a little disconcerting (no packaging), but everything seems to be in great shape. The construction is very robust and seems to weigh quite a bit more than the Brit Part exhaust it's replacing. The hope is that I'll never have to replace the cat back again.

I now need to figure out which cats I'm going to purchase so I can pass emissions and renew my registration.

Also, should I use an exhaust olive at the muffler inlet? I used one with the Brit Part cat back, but it never seemed to sit quite right. I've researched and some say use it and others say you don't need it.
View attachment 66160View attachment 66161

You don't need it. You can use a high temp sealant if you want.

 

[ukoffroad]

I got rid of the muffler and just run a resonator. You can use a TD5 muffler delete pipe.

How loud did it get?

 

[jvarnadoe]

Any suggestions on the sealant? Maybe this?

Permatex 81878 Ultra Copper Maximum Temperature RTV Silicone Gasket Maker​

 

[outono]

That one should be totally fine

 

[Frobisher]

Any suggestions on the sealant? Maybe this?

Permatex 81878 Ultra Copper Maximum Temperature RTV Silicone Gasket Maker​

I had issues with that olive at one time, and I used this same stuff. It worked fine, but you have to let it cure as per the directions.

 

[rovercanus]

How loud did it get?

A lot quieter than you would think. Not too loud at all.
A lot quieter than the exhaust on my Outback Wilderness.

 

[ukoffroad]

A lot quieter than you would think. Not too loud at all.
A lot quieter than the exhaust on my Outback Wilderness.

I have removed my resonator, a bit louder but not by much.

 

[StangGT5]

I installed the muffler delete pipe on my 04 D2 and it is very loud on cold starts. The engine is a LR crate with a cam, which shouldn't make a difference. Sounds good under throttle though.

 

[jvarnadoe]

I installed the Double S cat back and it's luckily as quiet as the stock setup. It seems to be high quality stainless steel, so I'll hopefully never have replace it again. Those rubber muffler hangers are a royal pain to install!