Ok im doing the swap from the 4.3L reg cab and swapping in a 6.0L LQ4 out of a 2500 HD. im getting pacesetter longtube headers and if i wanted to go with true duals would it be fine to get a universal X-pipe and get a buddy to weld on all the pipes? i cant just order a x pipe because it will be shown for the extended cab so it wont fit right? so is the universal a good way to go?............. also, im going to get an aftermarket intake will it fit in my 4.3L engine bay? i just want to make sure that the filter will fit in the same spot as it does now with the 4.3L in or will i have to custom fabricate something up. thanks for the help.

 

it's going to be hell putting the 6.0 in place of the 4.3......you have to remount the engine mounts and a whole bunch of other small tedious time consuming things......there is another guy on here trying to do the same thing.....it's better just go out and buy a truck with a 4.8 and drop the 6.0 in.....in fact.....i have a 2003 gmc with a 4.8 and a 6.0 w/4L80E tranny......for the right price......

 

umm no thanks. i know alot of people that have done this. plus im going to take it somewhere and get them to do it. im just thinking of the small things. anyone else with help?

 

If oyu are getting cutom exhaust then just order and x-pipe to whatever size pipe you are using and run it how oyu need to. If this is a nbs silverado then yes the 6L intake will fit. What kind of truck is going in and what year?