The factory installed downpipe in your Jetta or GLI is a very small diameter and causes high back pressure holding back the full power potential of your turbocharger. upgrading your 2013.5+ Jetta 2.0T ECU software to Stage 2 will require you to remove that factory downpipe restriction with a performance downpipe. Unlocking those Stage 2 and beyond power numbers with an IE Downpipe guarantees maximum flow and performance along with a perfect fit and reliable operation. Stage 2 ECU tuning is required, for the most power gains possible we also highly recommend an IE air intake and IE FDS intercooler. GEN 3 MK6 DOWNPIPE FEATURES: Required for Stage 2 ECU tunes 76mm (3 inch) tubing replaces restrictive 60mm factory tubing Bolt on fitment - no hassle or poorly fitting parts when you choose IE Constructed of 304 stainless long-lasting and high-quality material Thick turbo flange - prevents leaks and warping High flow 200 cell CAT - full power with reduced pollution and smell Metal matrix catalytic structure OEM style flex section allows for more adjustment and won’t fail All inclusive kit includes everything needed to install TIG welded long-lasting welds for long-life reliability ENGINEERED FOR QUALITY:IE engineers designed your downpipe in-house using the latest in digital scanning technology. This tech allows us to scan the entire vehicle into a 3D model which ensures that there is proper clearance and that all mounting points are in the correct location. Every downpipe is expertly welded from 304 stainless steel offering a life-long product that brings power and speed to the table for years to come. HIGH-FLOW CATALYTIC CONVERTER (CAT):IE’s performance downpipe includes a high-flow 200 cell per inch metal matrix catalyst for superior performance. Because the matrix web is thinner, this allows for much higher flow and maximum unrestricted power while also reducing emissions and unwanted unpleasant smells common on catless downpipes. STOCK STYLE FLEX SECTION:Commonly found on cheaper aftermarke downpipes, weak flex section designs lead to exhaust leaks and completely separated downpipes. IE's Gen 3 GLI downpipe is manufactured with high-quality reinforced flex section designs used by many factory auto manufacturers. This superior flex section are engineered to last reliably for countless miles of fun. BOLT-ON INSTALLATION:The IE downpipe replaces the majority of your restrictive factory exhaust tubing. This system runs from the turbo all the way to the cat-back and muffler rear section. Sturdy fabricated mounts and precise engineering result in a rattle free and long last replacement exhaust system. 3D scanning systems were employed to ensure perfect placement both in pre and post-production phases. Installation should be completed by a professional and preferably on an auto lift. CLICK OR TAP HERE to view and download the install guide. FITMENT/APPLICATIONS: 2013.5-2018 VW Mk6 Jetta GLI 2.0T Note: This downpipe only fits 2013+ Jetta and GLI 2.0T EA888 Gen 3 engines. Does not fit 2.0T EA888 Gen 1/2, 2.0T EA113, or 1.4T engines. CONSUMER NOTICE: BY PURCHASING A MOTORSPORT/RACING PRODUCT ("PRODUCT"), YOU REPRESENT THAT YOU UNDERSTAND AND AGREE THAT: THE PRODUCT IS NOT DESIGNED TO MEET ANY APPLICABLE EMISSIONS STANDARDS, WHETHER IN THE USA OR OTHERWISE, THE PRODUCT IS NOT C.A.R.B. COMPLIANT, AND THAT THE PRODUCT IS NOT FOR SALE OR USE IN CALIFORNIA, USA NOR ANY OTHER JURISDICTION WHERE THE SALE OR USE IS PROHIBITED BY LAW. INTEGRATED ENGINEERING, LLC MAKES NO REPRESENTATIONS, WARRANTIES, OR CLAIMS THAT THIS PRODUCT COMPLIES WITH ANY APPLICABLE EMISSIONS LAWS AND EXPRESSLY DISCLAIMS ANY AND ALL SUCH REPRESENTATIONS, WARRANTIES, AND CLAIMS, WHETHER EXPRESS OR IMPLIED. BY PURCHASING THIS PRODUCT, YOU REPRESENT, WARRANT, AND AGREE THAT IT IS YOUR RESPONSIBILITY TO INFORM YOURSELF OF ANY LAWS OR REGULATIONS THAT MAY APPLY TO YOUR PURCHASE AND/OR USE OF THE PRODUCT.