3" exhaust opinions?

[33 IMP]

Yes, I have to say. I installed the 3" exhaust with an H-Pipe and I didn't lose any HP at all. Matter of fact I may have gained. Since I never tried 2 1/2" I guess I have nothing to compare it too, however anyone that says that you lose HP just isn't true. I have the smaller 1 3/4" TTI header that goes out the 3" exhaust and I think that may be what the trick is.

I operated under the same theory. Both of my hotrod headers (one set hooker supercomp adjustable, one set full custom) used 2"tube and a 3 1/2 collector. So, I used 3 1/2 pipe
Can't say I noticed any power loss. The n/a small block car went nines through the mufflers.

 

[Black_Sheep]

Came home to find this on the porch, I was told 4-6 weeks lead time but it’s only been a couple weeks. Still not going to down the GTX until it snows but I’m glad everything is here…

Polished 1 7/8” headers and 3” X-pipe exhaust kit

 

[Myasylum]

Came home to find this on the porch, I was told 4-6 weeks lead time but it’s only been a couple weeks. Still not going to down the GTX until it snows but I’m glad everything is here…

Polished 1 7/8” headers and 3” X-pipe exhaust kit

What HP you think your car runs? Let us know when the time comes how the set up works! (Stupid snow!)

I also didn't use the Turbo mufflers that come with the kit. I used the Ultra Flo's.

 

[Black_Sheep]

What HP you think your car runs? Let us know when the time comes how the set up works! (Stupid snow!)

I also didn't use the Turbo mufflers that come with the kit. I used the Ultra Flo's.

To be honest, I have no idea what the HP is. Engine is a .030 over 440, 10.5:1 CR, ported 906 heads and a MP .509/292 cam.

I also got the kit without mufflers because it's getting Flowmaster Delta 50's, the same muffler that's currently on the GTX as well as my 454 powered '58 Apache...