3" Cast IWG Downpipe with E-Cutout

This product promo price is only for those who are adding this to a new purchase of a cast EFR IWG turbo system.  For those looking for the ulimate level of power, without the consistant noise attraction, or cost of adding a full 3.5" exhaust or bigger with a flex fuel setup; we are now offering a nice upgrade. This bolt in 3" 304SS downpipe upgrade comes with the TurboSmart Straight Gate 50mm wastegate, as an penumatic exhaust cutout. This unit opens above 20 psi( configurable between 6 - 24 psi with supplied springs) to increase the exhaust flow drastically, which can result in over a 50+rwhp  gain above 20 psi with a full 3" exhaust( depending upon the size of the turbo, and the engine port work). This will however increase your base boost pressure substantially once open if you intend to have it open below 20 psi.  This system allows one to use a cataylatic converter, or quite muffled exhaust system when running pump gas under 15 psi with an IWG EFR turbo system, and then a full "