Hi all,

This is likely a “me” issue and not an issue with the product but I’m at my wits end.

After adding GMG long tube headers, I can’t get the underbody diffuser back on (991.2).

it seems the headers don’t line up with the pre-cut slots.

They should line up, correct? Am I missing something here?

 

My GT3 has GMG LT headers. They came with the car. I can go up to the garage a little bit later this eve and take some pics.

 

Looks like in your profile pic you have GT3 and not RS. Do they have the same diffusor? I ask as it seemed their R&D was on a 991.2 RS.
I would try talking to Dom at GMG. He's been very helpful to me before with questions.

 

I have a .2 GT3. Not sure if the diffusers are the same. LMK if you need anything.

 

Thanks. I'll give Dom a ring/email tomorrow. I've thrown in the towel for now...for the life of me I can't get it back on.

Doesn't help that I'm using ramps. A lift would probably have made things much easier.

 

Texted him for you. He will jump on asap to assist

 

Speaking of GMG -did they ever post any data on pulls against stock on their LT headers??

 

Wanted to close the loop on this...spoke to GMG (fantastic support, really appreciate it). These are the LT headers, Not the EVO. EVO are a direct fit with the under diffuser but original LTs require some trimming. At least I wasn’t going insane.