C6 NPP Exhaust Question
Thread Starter
Intermediate
Joined: Oct 2019
Posts: 45
Likes: 3
From: Hilton Head, SC
C6 NPP Exhaust Question
Hello all. Recently picked up a 2009 C6 Base (LS3 car). Amongst the cam and ported heads I've done to it I'm looking to upsize the tips on the NPP Cans to 4 inch tips from the factory 3/3.5 in? Not entirely sure what the stock ones are. Anyway.
Question is. When you lop off the factory tips from the rear of the factory NPP Mufflers, what is the size of the short section of pipe with the vaccum actuated valves in it? Need to know the diameter so I can correctly size the adapter for the 4 inch tips.
Thanks!
Question is. When you lop off the factory tips from the rear of the factory NPP Mufflers, what is the size of the short section of pipe with the vaccum actuated valves in it? Need to know the diameter so I can correctly size the adapter for the 4 inch tips.
Thanks!
Heel & Toe
Joined: Jan 2021
Posts: 15
Likes: 16
From: Aurora, CO
Hello all. Recently picked up a 2009 C6 Base (LS3 car). Amongst the cam and ported heads I've done to it I'm looking to upsize the tips on the NPP Cans to 4 inch tips from the factory 3/3.5 in? Not entirely sure what the stock ones are. Anyway.
Question is. When you lop off the factory tips from the rear of the factory NPP Mufflers, what is the size of the short section of pipe with the vaccum actuated valves in it? Need to know the diameter so I can correctly size the adapter for the 4 inch tips.
Thanks!
Question is. When you lop off the factory tips from the rear of the factory NPP Mufflers, what is the size of the short section of pipe with the vaccum actuated valves in it? Need to know the diameter so I can correctly size the adapter for the 4 inch tips.
Thanks!
