My new Marauder exhaust

[MyBlackBeasts]

Well as you know I installed my Stainless works headers earlier in the year so now I drove the car from WI to Dallas GA
(open headers, yah it was loud!)
https://uploads.tapatalk-cdn.com/20191110/60b63d76c5e212544a5c0dac67d9ce 00.jpg
to have Mo's Speed Shop install my new exhaust.

H-Pipe, 3" mandrel bent all supplies from Stainless Works.
https://www.youtube.com/watch?v=8VeZgyyhlUU

[MyBlackBeasts]

The before info:
409rwhp with 17* timing, 17mpg highway 75mph

1st Pull: https://www.youtube.com/watch?v=_CJhlS3kU0Q

436rwhp with timing knocked back to 14*

[MyBlackBeasts]

Final pull with timing bumped to 16*: https://www.youtube.com/watch?v=_Ev3t-Qt24s

Result: 463rwhp & 419tq


https://uploads.tapatalk-cdn.com/20191110/aaac5e503062b2f1cb83642efe87aa aa.jpg


https://uploads.tapatalk-cdn.com/20191110/05df5d71741b73bcc7ee389c5eb2b9 40.jpg


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[MyBlackBeasts]

When Jeff saw the 2nd pull at 463 he was amazed (all the guys in the shop came running over to see what they had heard). He knocked it back to 14* as I wanted to stay under the magic 450 number with stock block.

Jeff said there was a lot more in there too.

BONUS! fuel mileage bumped up to 20mpg too!

It's amazing what an engine can do if you let it breathe...

And man... does it sound wicked! Low, deep, rumbley and mean!

[justbob]

[emoji1303]


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[Ambitious1]

They look and sound great! Congratulations!

[musclemerc]

Nice work for sure. What mods were done to the engine?

[Invective]

https://i.imgur.com/Prb3PoUh.jpg

The 'full story' (mods and such) should be interesting when you have time. Saw Jeff Harris grinning while sitting in the driver's seat!

450 'safe' RWHP is plently for a 'driver' IMO. I always use the Terminator motor as a reference because many of us felt it should have been the motor Marauder had installed at the factory. 360 RWHP is the generally accepted figure for bone stock Terminators, ignoring arguments over the Mustang dyno vs. the Dynojet. Now that I know where Marty's shop is located, the good hotels and 93 E0 availability in the area....

4th generation Marauder: I've read anywhere from 230 RWHP to 240 RWHP:eek: for bone stock Marauders and 265 RWHP average with a tune, 93 and a CAI. I tell everyone mine makes 270 RWHP!!!:D I would be thrilled with 360 RWHP and even 450 'safe' RWHP.:cool:

[blazen71]

Nicely done! Can’t wait to see it in person.

[RubberCtyRauder]

Terminator is 600+ lbs lighter

[justbob]

Terminator is 600+ lbs lighter and a manual
Fixed.



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[Invective]

Terminator is 600+ lbs lighter

Last time I checked recently the 2003-2004 Mustang Mach 1 with 4R70W is 720 lbs. lighter than our cars stock.:eek:

[Chi Stallion]

I’ll tell you what you ain’t the only one who drove a Marauder with SW open headers. I drove approx 55-60 miles I’l never do that again in my life. It was too stupid loud and your lucky as hell state police didn’t pull you over for that.
Anyways it looks good just not a fan of the 4’ Meg pipe sticking out the rear bumper like that. All it takes is one idiot behind you trying to parallel park or whatever.
I’m also wondering how did you get Stainless Works to custom build you that H-Pipe ? Another thing what size is the pipe after the mufflers ? 3in or 2.5 ? Did you stick with the SW Mufflers ?


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[Peace2Peep]

I do LOVE the sound of that H-pipe! Soo nice! You are truly devoted...driving so far with the open headers!

Wow! I would love to get 20mpg with a S/C! I think SW is in my future...get ready Marty!

[justbob]

I’ll tell you what you ain’t the only one who drove a Marauder with SW open headers. I drove approx 55-60 miles I’l never do that again in my life. It was too stupid loud and your lucky as hell state police didn’t pull you over for that.
Anyways it looks good just not a fan of the 4’ Meg pipe sticking out the rear bumper like that. All it takes is one idiot behind you trying to parallel park or whatever.
I’m also wondering how did you get Stainless Works to custom build you that H-Pipe ? Another thing what size is the pipe after the mufflers ? 3in or 2.5 ? Did you stick with the SW Mufflers ?


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My cut outs broke in Louisville. LONG ride home with the wife and non working A/C at the time...


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[MyBlackBeasts]

Nice work for sure. What mods were done to the engine?

Stock engine with 98 Cobra intake cams and stock Trilogy kit. That's all.

[MyBlackBeasts]

I’ll tell you what you ain’t the only one who drove a Marauder with SW open headers. I drove approx 55-60 miles I’l never do that again in my life. It was too stupid loud and your lucky as hell state police didn’t pull you over for that.
Anyways it looks good just not a fan of the 4’ Meg pipe sticking out the rear bumper like that. All it takes is one idiot behind you trying to parallel park or whatever.
I’m also wondering how did you get Stainless Works to custom build you that H-Pipe ? Another thing what size is the pipe after the mufflers ? 3in or 2.5 ? Did you stick with the SW Mufflers ?


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SW didn't fab the h-pipe, Red fabbed the entire thing - headers back.

Marty got a box full of straight sections and u-bends from SW, Red cut them up and created a piece of artwork.

[MyBlackBeasts]

I’ll tell you what you ain’t the only one who drove a Marauder with SW open headers. I drove approx 55-60 miles I’l never do that again in my life. It was too stupid loud and your lucky as hell state police didn’t pull you over for that.
Anyways it looks good just not a fan of the 4’ Meg pipe sticking out the rear bumper like that. All it takes is one idiot behind you trying to parallel park or whatever.
I’m also wondering how did you get Stainless Works to custom build you that H-Pipe ? Another thing what size is the pipe after the mufflers ? 3in or 2.5 ? Did you stick with the SW Mufflers ?


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I love the 4" tips, I like sticking them out so the bling is seen and the "Megs" is readable.
The way I park the car, there won't be issues. Even it there were, I have 2 more sets brand new in the box to fall back on = all good. :beer:

[Shinker]

I noticed you did away with the factory rubber exhaust mounts. Good idea. Ford dealer in town here wanted $75 for 1 rear exhaust bracket and rubber mount. I have SW headers too and have not decided exactly what to do from the SW cats rearward. I am curious about the blue washers used where the exhaust brackets bolt to frame? They look like some type of rubber in the video but must be more to them than that to handle a hot exhaust. Your car sounds absolutely fantastic in that 2nd video.

[Curless]

Looks amazing! Cant wait to see it and hear it face to face! I'm not a fan of Stainless Works mufflers at all so the fact that you have Magnaflows on there intrigues me.

[Chi Stallion]

SW didn't fab the h-pipe, Red fabbed the entire thing - headers back.

Marty got a box full of straight sections and u-bends from SW, Red cut them up and created a piece of artwork.
Gotcha I figured it had to been custom to get that H Pipe Fabricated. Looks really good [emoji106]


I love the 4" tips, I like sticking them out so the bling is seen and the "Megs" is readable.
The way I park the car, there won't be issues. Even it there were, I have 2 more sets brand new in the box to fall back on = all good. :beer:
Definitely have to be cautious with idiots these days. If that Meg Pipe gets hit, not only will it damage the Meg Tip, but also your Tailpipes that connect to the Tips will also absorb the damage. I have mines tucked underneath the bumper.


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[WPG_Merc]

Congrats,Sounded great.Hope to see it at the Louisville meet.We will rumble the hotel.:D:beer:

[MyBlackBeasts]

I noticed you did away with the factory rubber exhaust mounts. Good idea. Ford dealer in town here wanted $75 for 1 rear exhaust bracket and rubber mount. I have SW headers too and have not decided exactly what to do from the SW cats rearward. I am curious about the blue washers used where the exhaust brackets bolt to frame? They look like some type of rubber in the video but must be more to them than that to handle a hot exhaust. Your car sounds absolutely fantastic in that 2nd video.

They are a silicone type isolation grommet to keep vibration from getting in to the frame.

[MyBlackBeasts]

Looks amazing! Cant wait to see it and hear it face to face! I'm not a fan of Stainless Works mufflers at all so the fact that you have Magnaflows on there intrigues me.

Can't wait to see you! :-)

[lji372]

:banana2:Congratulations sir!!
Awesome numbers!!!

So when do you road trip to Manitoba!?:eek:

[martyo]

It was good to see you Bill!!

My wife says to say hello to your feet!! :D

[MyBlackBeasts]

:banana2:Congratulations sir!!
Awesome numbers!!!

So when do you road trip to Manitoba!?:eek:

:rofl::rofl::rofl::rofl::rofl:

[MyBlackBeasts]

It was good to see you Bill!!

My wife says to say hello to your feet!! :D

Hahahahaha!!!

[Shinker]

They are a silicone type isolation grommet to keep vibration from getting in to the frame.
Thank you for that info. I did some snooping online and the blue grommets and brackets are from Stainless Works.

[z man]

Thanks for the info! My car is currently at Mo’s getting Eaton swapped. In a perfect world I would have installed SW headers (Jet Hot coated) while it’s there, but that will have to wait. Seeing your numbers is helpful!