Am I missing bolts for invidia n1
 

Hey so theres no bolts that came with my kit.... factory bolts will be missing 2 bolts. what shall I do

I had to use the factory ones on my N1,

hardware shop should have them

you mean the Y pipe connecting to the front pipe? you just use the factory spring bolts

there is 4 bolts to connect muffles, i have 2
there is 2 bolts to connect y pipe, i use factory
there is 2 bolt to connect to cat, i use factory

so mising 2 bolts to connect muffler and gasket, do i use stock since invidia did not provide any

That's odd. I got new bolts with my purchase. Uou can use your stock bolts, just make sure you have some antiaeize/rust proof

I'm missing 2 bolts :/

I had 6 new bolts included with mine.
4 bolts held the 2 tips together to the Y pipe.
2 more bolts connected the y pipe to the midpipe.
The 2 missing ones were the one where the midpipe and the front pipe connects. I used the original spring bolts for it.

Check the box again, pull EVERYTHING out, shake the packing paper/cushioning around.

I actually didn't get it xD I checked the box and unwrapped everything... nothing
I'll call invidia

Which gasket should I buy, 60 mm gasket that connects the flanges and buy 3x?

Bolts? Nuts?