I'll be starting in the next week my custom exhaust project using mandrel bent pieces of plumbing, a Summit universal X-pipe kit, Flowmaster mufflers and prebent tailpipes. This setup will be 3" not 2.5", and I'm also welding in catalytic converters. This is actually for a 501 BBF, not a 5.0 but the tech is the same. I'll be photoing everything as I go along and posting pictures. Is anybody interested? Let me know if its worth the trouble.
Anyone want to watch my custom exhaust build?? PICS
- Thread starter SmockDoiley
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Here is a break down of the parts needed. Parts are either from Summit Racing or the seller Procurve from Ebay.
Summit Racing:
2X FLO-15930, 3" ball flange kit, 1 for the headers to the exhaust, and 1 from the X-pipe to the catback.
FLO-15820, 3" 87-93 LX tailpipes with polished stainless tips. Also works with my 85 GT. This is kinda cheating but I really couldnt build better tailpipes for this much.
2X FLO-953048, Flowmaster offset, offset 40 series Delta flow mufflers. I wanted some with performance and quality, but I don't want it to sound like a dragster. Too loud and I bother the cops and its no longer a sleeper.
SUM-642130, Summit 3" universal x-pipe kit. I just have to cut it to size and weld it together.
Ebay:
Procurve sells a one piece 45* and 180* 3" mandrel bent exhaust piece that should tie my project together. It should have enough bends in it to complete the plumbing.
2X Procurve polished stainless hi-flow 3" catalytic converters. I don't want to destroy the environment, I don't want to give cops any excuses and it also helps keep the exhaust a little quieter.
The headers I have are 460 fox swap midlengths from Accufab.
Summit Racing:
2X FLO-15930, 3" ball flange kit, 1 for the headers to the exhaust, and 1 from the X-pipe to the catback.
FLO-15820, 3" 87-93 LX tailpipes with polished stainless tips. Also works with my 85 GT. This is kinda cheating but I really couldnt build better tailpipes for this much.
2X FLO-953048, Flowmaster offset, offset 40 series Delta flow mufflers. I wanted some with performance and quality, but I don't want it to sound like a dragster. Too loud and I bother the cops and its no longer a sleeper.
SUM-642130, Summit 3" universal x-pipe kit. I just have to cut it to size and weld it together.
Ebay:
Procurve sells a one piece 45* and 180* 3" mandrel bent exhaust piece that should tie my project together. It should have enough bends in it to complete the plumbing.
2X Procurve polished stainless hi-flow 3" catalytic converters. I don't want to destroy the environment, I don't want to give cops any excuses and it also helps keep the exhaust a little quieter.
The headers I have are 460 fox swap midlengths from Accufab.
I'd like to see it. I built mine as well. Mine is 2.5 but I used summit x pipe premade tail pipes, and a few bends. I even connected it all with v band connections. Two in the rear where the ball sockets are normally and two just infront of the x just to make it easy to take off and on. The v bands don't give much room for error. At least not as much as a ball socket style you need to be pretty dead on. But it looks very pro with v bands. I also had it ceramic coated (black) from the header connection all the way to the mufflers just to keep the heat of my trans. The trans was the whole reason for the custom exhaust in the first place. I don't have any pics of the build but I will take some of the exhaust on the car and stick them on here. Been running it on there for about a year no problems.
strtrcr50
New Member
KAILUAZ
New Member
The more pics the better, you have me thinking about doing this swap when you mentioned the manual transmission.
Ok, exhaust parts finally came in the mail today from Summit Racing. I'm still waiting for the prebent mandrel piece and cats from the Ebay seller. What I did tonight was piece it all together to check fitment, and then I began to install the parts. I won't get great pictures because I have to install this on my back, but I'll try my best.
The Flowmaster tailpipes fit nicely so far. They come in two pieces so it's easy to install over the rearend. The hangers fit right where they need to be, but I do need to weld some candy canes on the back of the mufflers.
So far I'm just test fitting everything and waiting for the rest of the parts to come in, but this will give you some eye candy for now. It won't be till this weekend that I have everything and I start to cut and weld everything. I'll also need to get some wood to support everything while I fit it all up.
The Flowmaster tailpipes fit nicely so far. They come in two pieces so it's easy to install over the rearend. The hangers fit right where they need to be, but I do need to weld some candy canes on the back of the mufflers.
So far I'm just test fitting everything and waiting for the rest of the parts to come in, but this will give you some eye candy for now. It won't be till this weekend that I have everything and I start to cut and weld everything. I'll also need to get some wood to support everything while I fit it all up.
I have to admit though, the pipes and mufflers have to go in just right because there are quite a few close tolerance spots. The mufflers are really close to the body and the driveshaft, and the tailpipes have to be just right to avoid the suspension and the body.
I'm going to have 6 combined inches of mandrel bent plumbing with high-flow cats, X-pipe, and flowmaster 40 series mufflers all attached to midlength headers. I seriously doubt I need to worry about restriction. More importantly, just because I'm building a Mustang doesn't mean I have the right to pollute the environment and break the law.
To be honest, for the people who are driving their Mustangs daily with no cats, grow up and do your part to help out the air quality.
I know plenty of 11 second cars still running cats.
To be honest, for the people who are driving their Mustangs daily with no cats, grow up and do your part to help out the air quality.
I know plenty of 11 second cars still running cats.
No sir I will not.I love the comment about this build being easy, lol. Thats a good one, Mav! I got started on things tonight and got pretty far. I forgot to bring the camera but everything to the X-pipe is tacked up. While I have it out to finish all the welds I'll take pics. It looks like its going to take approximately 22 seperate pieces of exhaust to do this.
First step was to find the right angle to transfer from the header pointing at approximately 50* to face to the rear. Then I had to mount the first set of ball flanges, followed be the cats, and then make the appropriate bend to the X section of the X-pipe.
There isn't a lot of room to fit the ball flange, the cat and the rear bend between the X and the header. I can't wait to get some more pics up. Hopefully tomorrow night.
First step was to find the right angle to transfer from the header pointing at approximately 50* to face to the rear. Then I had to mount the first set of ball flanges, followed be the cats, and then make the appropriate bend to the X section of the X-pipe.
There isn't a lot of room to fit the ball flange, the cat and the rear bend between the X and the header. I can't wait to get some more pics up. Hopefully tomorrow night.
