VOLKSWAGEN GOLF EXHAUST

Hi, I’m Hav­ing A Hard Time Try­ing To Fig­ure Out What Nut Size Is Re­quired To In­stall My Cat­alytic Con­verter Onto The Man­i­fold On My Car...

Re­placed Cat­alytic Con­verter With Used One, How Do I Know If That Is Source/​pin­point Source Of The Leak? Prefer­ably With­out Get­ting Un­der...