DTR Design B-Series 4-1 header CRX EF lean k series Custom built merge collector built

Custom built merge collector built to customer’s specification made from 304 stainless 18 gauge wall

304 Stainless using laser cut flange and stainless steel spring hardware

3-4 week lead time

Designed  in collaboration with Phast Pham Performance for (recommended) 131+ motors

44mm to 48mm 2 step header 64mm exit for 2

DTR Design B-Series 4-1 header CRX EF lean k series Custom built merge collector builtDTR Design B Series 4 1 under pan. 44mm to 48mm 2 step header 64mm exit for 2. 0 displacement engine. 304 stainless construction using 3 8 head flange, 2 bolt JDM exit flange with supplied donut gasket. Will fit EG DC EK EF with B series * will not clear AC * recommended half core radiator only