Need a break from the rasp.

[SheepDog]

left the factory resonator and active exhaust cat back

Yep. There is no power to be gained with a catback anyway. The Coyote may be the worst sounding V8 ever made, so exhaust choices/modifications are critical. I hear Mustangs all the time that make me embarrassed for the owner.

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[LethalSteveG]

So, I currently have Stainless Power catless headers with a Corsa Extreme catback. Since I went catless in April, the rasp has gotten pretty bad. When I had cats, it was tolerable, but I need a long break from it. I saw Lethal Performance in the last few months released a resonated doubled H pipe with 2 MBRP resonators on it and I'm thinking that should help cut out some of the rasp, and give me a deeper sound overall. I could have 2 resonators welded in on my current exhaust, but after parts and labor it's probably pretty close to the price of the Lethal Double H Pipe.

https://www.lethalperformance.com/l...ipe-2015-2026-ford-mustang-gt-dark-horse.html

My only real concern is I may have to modify the H pipe. My current Corsa X had to have a few inches cut off each tube to connect to my headers when I had them installed 18 months ago.

Has anyone used this H pipe, and if so, what's your opinion on it?

The resonated H pipe will replace your X pipe no problem as it's all based on Corsa parts and uses the factory clamps.
Now, if you modified yours I cannot say anything on that but it's a direct swap on Corsa Catbacks using the OEM clamps

 

[MontiCristo]

I may be the exception, but I like the way the coyote sounds. WOT it is a bit raspy, but regular driving with the Borla S-TYPE with an H-pipe configuration in either sport mode or track mode exhaust sounds fantastic. I regularly get asked what exhaust I have on the car.

 

[Gen 6 Mach1]

The resonated H pipe will replace your X pipe no problem as it's all based on Corsa parts and uses the factory clamps.
Now, if you modified yours I cannot say anything on that but it's a direct swap on Corsa Catbacks using the OEM clamps

Straight from the Professional , Can't get any better than that . Go for it Jpump
Reading all the posts answers , I think I'll stay Stock on my Mach1. IMO sounds great.

 

[Outlaw]

So, I currently have Stainless Power catless headers with a Corsa Extreme catback. Since I went catless in April, the rasp has gotten pretty bad. When I had cats, it was tolerable, but I need a long break from it. I saw Lethal Performance in the last few months released a resonated doubled H pipe with 2 MBRP resonators on it and I'm thinking that should help cut out some of the rasp, and give me a deeper sound overall. I could have 2 resonators welded in on my current exhaust, but after parts and labor it's probably pretty close to the price of the Lethal Double H Pipe.

https://www.lethalperformance.com/l...ipe-2015-2026-ford-mustang-gt-dark-horse.html

My only real concern is I may have to modify the H pipe. My current Corsa X had to have a few inches cut off each tube to connect to my headers when I had them installed 18 months ago.

Has anyone used this H pipe, and if so, what's your opinion on it?

I have a resonator/no mid pipe. From what I found it's the best way to reduce rasp. It's the thermal r&d catback full 3in with 3in cat deletes. If you want I can try to grab a video next week when I get my car back from paint. I might have an older video but it won't be the best quality. What will say is down low it's fucking awesome like deep like the old 4.6s but like all catless setups once you get to WOT it's going to be raspy. The coyote is a raspy motor. To remove as much as possible you Have to have a helmholtz setup like thermal, solo etc. mbrp is pretty raspy when you are on it I saw a guy with a 2018 and similar setup with mbrp and an h pipe and it was raspy as hell when he gave it throttle.

 

[qwiknotch]

My car has mbrp long tubes with an mbrp high flow cat h pipe into a 12469 Magnaflow and mbrp Street Mufflers
Here's the cold start before the 12469 and after

 

[Franky16]

I may be the exception, but I like the way the coyote sounds. WOT it is a bit raspy, but regular driving with the Borla S-TYPE with an H-pipe configuration in either sport mode or track mode exhaust sounds fantastic. I regularly get asked what exhaust I have on the car.

Same. I think the coyote sounds awesome. Especially with a good tune

 

[Jpump]

Waiting on my bonus before I order it, should be a few weeks.

 

[Jpump]

Got it installed. Car sounds so much better. Noticeable decrease in volume and the rasp is nearly gone.

 

[OldbutNew]

My '18 is bone stock with Active Exh and I think it sounds just fine! I am considering the Mach 1 upgrade that replaces the axle back and the lower rear fascia. If it makes it sounds like a Mach 1, I think that's good enough. Too many guys here that have spent $$ only to want to un-do it later. If it doesn't increase power, I don't exactly want to change the sound tone or make it louder. YMMV.

 

[djcodeman]

I added dual 16 inch resonators to the back section of the H pipe and it took away the rasp

 

[Gen 6 Mach1]

My '18 is bone stock with Active Exh and I think it sounds just fine! I am considering the Mach 1 upgrade that replaces the axle back and the lower rear fascia. If it makes it sounds like a Mach 1, I think that's good enough. Too many guys here that have spent $$ only to want to un-do it later. If it doesn't increase power, I don't exactly want to change the sound tone or make it louder. YMMV.

ObN , Agreed , M1 Sounds great stock look at all the money I've saved . Money Market accounts are paying 4.3 % interest

 

[Jpump]

Only clip I have from a Dyno Night on Thursday with the new h-pipe installed.

 

[RNM]

I may be the exception, but I like the way the coyote sounds. WOT it is a bit raspy, but regular driving with the Borla S-TYPE with an H-pipe configuration in either sport mode or track mode exhaust sounds fantastic. I regularly get asked what exhaust I have on the car.

This did not age well.

 

[MontiCristo]

This did not age well.

lol it really didn’t! I saw the error of my ways.

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