The GrimmSpeed Catted Downpipe features 3" diameter, thick flanges, high flow cat, and a cast upper section for optimal flow, performance, and longevity. This downpipe is made out of CNC Mandrel Bent 304 Stainless Steel. The GrimmSpeed downpipe also features a divorced wastegate for optimal flow.
- GrimmSpeed Catted Downpipe
- 1/2" Flanges
- 3 inch stainless steel piping
- 16ga 304L Stainless Steel
- High Flow Catalytic Converter
- Divorce Wastegate for Optional flow
- O2 Bungs for Factory sensor and aftermarket wideband AFR