Headers are 1 3/4 inch or 1 7/8 inch primary with 3 inch outlets. They only come in stainless steel. Ceramic coating is available.. The 1 7/8 inch header is made for the big head and cam combos / blown cars / strokers.
3 inch or 2 1/2 inch Hi-flow stainless steel cats are a 200 cell metal cat. They have a huge flow rate as suit most cars.
Note, if you are running a big cube, big cam or big blower , we do make 3 inch cat pipes for race cars.
Dual 3 inch or 2 1/2 inch straight through mufflers are built with a X pipe, the mufflers are around 10 inch x 10 inch x 4 inch hand made to, 1 stop drowning, 2 to keep it straight through. Systems are in mild and stainless steel please check part numbering when ordering.
Dual 3 inch or 2 1/2 inch straight through rear muffler, they are around 14 inch x 8 inch hand made to, 1 stop drowning, 2 to keep it straight through. Systems are in mild and stainless steel, please check part numbering when ordering remember for stainless steel the * items or the part numbers have ss at the end of them. DPE tips are also available with logo.