Gas-N-Pipes for my Coyote

[Paul2STL]

Received a set of highly polished stainless Gas-n pipes last week. These things are very shinny, cant wait to put them on. Not quite ready to put them on yet,but I was thinking of doing a comparison video of the stock exhaust compared to Gas-npipes. I haven't seen any done with a Coyote engine yet and was wonder if anyone was interested in hearing a comparison? It may be a few weeks but was planning on doing decibels readings outside from various angles and from the drivers seat. If there is a video out there point me in the right direction. I seen a few, but not with Coyote and long tube headers. I have the stock FFR steel pipes uncoated on now and they can get annoying really quick if I wind the Coyote up. Hopefully these will make more of a growl.

https://thefactoryfiveforum.com/attachment.php?attachmentid=100531&d=1547268556

[Cruzzz]

I would be very interested in that comparison. Based on previous feedback I had the FFR pipes deleted from my order and am undecided on what I will end up with.

[Dewey McBride]

Everyone building a Cobra in California would like to hear the difference due to the new laws. I have Gas-N pipes and love them. Would like to hear the difference on your car. Your exhaust tone should change drastically.

[KDubU]

Just from comparing with ears alone, the diff is a bit lower rumble with the Gas-N’s at idle and not the high pitch bark at high RPM’s. I believe Bob actually did a db test on the FF ones and slimlines if I recall and the latter were a lot lower. He did not have Gas-N’s to measure though.

[Paul2STL]

I did see Bob's video. I'm hoping for that lower grumble. Will be making a video hopefully soon. Now time to get back to finish putting her back together.

[lewma]

Everyone building a Cobra in California would like to hear the difference due to the new laws. I have Gas-N pipes and love them. Would like to hear the difference on your car. Your exhaust tone should change drastically.

Crap, did I miss something here ? New laws ? Any link you can share ?

[Daddy O]

Here is a thread I started yesterday regarding the law effective this month. https://thefactoryfiveforum.com/showthread.php?31020-First-post-and-an-exhaust-question-for-CA-owners

[lewma]

Here is a thread I started yesterday regarding the law effective this month. https://thefactoryfiveforum.com/showthread.php?31020-First-post-and-an-exhaust-question-for-CA-owners

thanks!

[Ponymedic]

I would be very interested to hear. Picking up my kit right after my bithday ( was hoping for ON my birthday but they couldnt accomidate ugg) at the build school this weekend which will be my first time hearing a roadster up close. From what others have said noise is a concern for long rides. Unsure which way to go

[ChasNMe]

I'd like to know what kind of HP drop these show vs FFR pipes, there was another post a while back where a set of "Breeze Quiet Pipes" cost the guy about 60HP. Breeze sells Gas-N now but the Boig pipes are the only ones i saw called "Quiet Pipes" so dont know if its the same pipes now vs then (mid 2017, Laser Stan posted on other forum) Anyone dyno their car with the different pipes?

[Paul2STL]

I wouldnt think the HP lose is very large. At these HP levels in these cars 15 to 20 HP really is not a big deal, at least to me. Sound, dB and look is what is emportant to me. Im sure that more muffeld the sound more likely you will lose HP. Would like the know the difference in HP anyway, but I dont plan to dyno my car unless some one offers for free. I do plan to get a tune and dyno in the future, but not sure what company to go with. Wallet is still recovering.

[Straversi]

I'd like to know what kind of HP drop these show vs FFR pipes, there was another post a while back where a set of "Breeze Quiet Pipes" cost the guy about 60HP. Breeze sells Gas-N now but the Boig pipes are the only ones i saw called "Quiet Pipes" so dont know if its the same pipes now vs then (mid 2017, Laser Stan posted on other forum) Anyone dyno their car with the different pipes?

I drove mine with FFR pipes and the Gas-N pipes and my “butt in the seat dyno” could not feel ANY difference in power. I’m happy with the Gas-N’s. They look great and the sound is mellowed a bit, but the car is still loud. Still sets off car alarms as you drive by. Still sounds like a Cobra should.
-Steve

[BrewCityCobra]

I would be very interested in that comparison. Based on previous feedback I had the FFR pipes deleted from my order and am undecided on what I will end up with.

Cruzz,

How much were you credited for the delete? I'm considering going with Gas-N's as well and am trying to do some cost comparisons.

Feel free to DM if you would prefer.

[RR20AC]

Paul that's just the edge I need. Side by side parts will be blowing off your car from my loud ff5 pipes and that 20 extra hp will be just enough to get me ahead and out of the way.:)

[Ponymedic]

I would be interested to know also

[Paul2STL]

Paul that's just the edge I need. Side by side parts will be blowing off your car from my loud ff5 pipes and that 20 extra hp will be just enough to get me ahead and out of the way.:)

HaHa!! U just wait till I get my tune I'll blow your doors off or side pipes if your hanger brackets crack. Everyone knows Blue cars are faster then those pretty red ones anyways ;););)

[Ponymedic]

If you could let me know as well

Thanks

[GFX2043mtu]

Both of these pipes are straight through designs. both are necked down on the inside. The packing material and core louvers / holes are different which will produce a different sound. That being said the gas-N pipes use scavaging cones which should be good for a couple hp if everything else is paired correctly. At the end of the day hp numbers should fall with in margin of error for the dyno unless headers, gaskets etc are paired correctly so the scavaging cones can work as intended. For my 461w I actually went with 3” cores in place of the normal 2.5” ones that FFR and gas-N uses. But then again I’m using 1 7/8” headers with correct gaskets and AFR 220 heads and the trade off for power was noise. My car is defiantly an ear plug car.