Borla XR-1 Sportsman Racing Muffler 4in In/4in Out Muffler turn14-product-not-found-review RetraxPRO XR-14-18 (19 Lg/Lm) Silv/Sierra

RetraxPRO XR-14-18 (19 Lg/Lm) Silv/Sierra 1500/15-19 HD 6'6" w/o StkPkt-Std Rail

We wanted to develop a manifold with an improved design to allow more flow

Cost effective solution of engine retarding for towing with the Ford PowerStroke by utilizing the OEM Exhaust Back Pressure (EBP) valve

Our first prototypes of this system were indeed 3

BFMX4 24-25 Rngr 5ft

Borla XR-1 Sportsman Racing Muffler 4in In/4in Out Muffler turn14-product-not-found-review RetraxPRO XR-14-18 (19 Lg/Lm) Silv/SierraManufacturer Part # : 40948 Market Description High quality austenitic stainless steel. Patented, race winning XR 1 Raceline technology. 3 options: Offset Made with the same patented, flow through design as the XR 1 Sportsman oval. The inlet outlet are offset to the same side of the muffler, to accommodate transmission and frame rail interference on some applications Oval BORLAs #1 selling racing muffler. Satisfies the needs of most racing