The kit includes:

6" TC x 1" TC

2 6" to 1" TC Reducer 
2 6" TC Clamps 
2 6" TC Plantinum Cured Silicone Gaskets 
2 1 1/2" TC Clamps 
2 1 1/2" Plantinum Cured Silicone Gaskets 
1 1 2/2" TC End Caps with Tabs

6" TC x 2" TC

2 6" to 2" TC Reducer 
2 6" TC Clamps 
2 6" TC Plantinum Cured Silicone Gaskets 
2 1 1/2" TC Clamps 
2 1 1/2" Plantinum Cured Silicone Gaskets 
1 1 2/2" TC End Caps with Tabs

6" TC x 3" TC

2 6" to 3" TC Reducer
2 6" TC Clamps
2 6" TC Plantinum Cured Silicone Gaskets
2 1 1/2" TC Clamps
2 1 1/2" Plantinum Cured Silicone Gaskets
1 1 2/2" TC End Caps with Tabs

6" TC x 4" TC

2 6" to 4" TC Reducer
2 6" TC Clamps
2 6" TC Plantinum Cured Silicone Gaskets
2 1 1/2" TC Clamps
2 1 1/2" Plantinum Cured Silicone Gaskets
1 1 2/2" TC End Caps with Tabs