Installing Speed Engineering Headers on a 2015 Camaro SS 

Appreciate that fam

Yes sir let’s get it and I appreciate that too fam 💪🏾

Thank you and do it bro it’s gonna be a whole different truck

Get you some bro you gonna love it

Thanks fam

Appreciate that fam and yeahh I like the headers no issue yet

Thanks 🙏🏾

It’s loud but not extreme

Thanks, and I don’t have cats at all. Just a connection pipe.

You can use any universal high flow cat. Just get a pair of 3” universal ones, that are around 11-11.25” overall length. The 3” cats don’t have o2 bungs, so that’s the only downside…. I tried to fit a pair of the universal 2.5” high flow cats, but the adapters to make them fit, ended up angling the headers a weird way, that prevented them from being able to be bolted up properly….. Anyways, with the pair of 3” universal cats, just run a lap joint clamp to the front of the cat to the header, and then a 3-2.5” connector adapter. I kept the stock downpipe clamps to use on my Borla Atak catback, and they work perfectly. The 3-2.5” reducer adapter should be for 3” OD, 2.5” ID, I believe….

No you don’t but the passenger header will sit on the frame and make some vibrations inside the car but other than that no

I got them from Amazon but I eventually switched to the GPI wires cause they curve away from the headers and don’t touch at all.

Thanks bro and that’s crazy my passenger side was a piece of cake. The manifolds dropped right out and the headers slid right in.

The DRIVER side is worst part, wdym. Lol The passenger side is far less common to make contact with the frame, but does OCCASIONALLY happen. I had to dent in TWO whole ass collector tubes, the front most driver side ones, to clear the steering coupler…. Not to mention you can force the long tube headers up w/o taking out the steering coupler (I didn’t wanna risk the steering wheel and clockspring, etc. not lining up). It was a royal PITA to constantly hammer the headers back out and down to re-hammer them more than a few times, to “perfection”. You get what you pay for….. I did get a pair of 3” universal high flow cats, bc I didn’t wanna run those cheap nasty test pipes. They do good, and help quiet the exhaust down a bit, esp if you have a whole catback exhaust or even an axleback or muffler delete.

Factory AC Delco spark plugs

They should come with your headers

Facts 😂😂😂

No mufflers bro 100% straight pipe…..no mufflers, no cats, no resonators, with a X pipe…

Speed engineers 1/78 headers, no resonators, no cats, x pipe and muffler delete

Yes I don’t have cats

I eventually replaced them

@@ls3tee what do you do with the original rear o2 censor the stock ones have

They came with my headers

No 100% straight pipe