{"id":804142,"date":"2026-10-14T10:27:25","date_gmt":"2026-10-14T10:27:25","guid":{"rendered":"https:\/\/tunerscapital.si\/product\/cts-turbo-visokopretocni-katalizator-downpipe-za-bmw-335i-m135i-f20-f21-f30\/"},"modified":"2026-10-14T10:27:25","modified_gmt":"2026-10-14T10:27:25","slug":"cts-turbo-visokopretocni-katalizator-downpipe-za-bmw-335i-m135i-f20-f21-f30","status":"publish","type":"product","link":"https:\/\/tunerscapital.eu\/en\/product\/cts-turbo-visokopretocni-katalizator-downpipe-za-bmw-335i-m135i-f20-f21-f30\/","title":{"rendered":"CTS Turbo high-flow catalytic converter (downpipe) for BMW 335i\/M135i F20\/F21\/F30"},"content":{"rendered":"<p>The CTS Turbo 3.5\u2033 high-flow catalytic converter for BMW N55 with a pneumatic wastegate actuator is designed to provide the best possible exhaust gas flow. It replaces the standard downpipe and enables more efficient exhaust flow.<\/p>\n<p>The product was developed using modern CAD technology, ensuring an exact fit in the factory downpipe position. It is made from T304 stainless steel, TIG-welded by hand and welded with oxidation protection on the inside for long-term reliable operation.<\/p>\n<p><strong>Product details:<\/strong><\/p>\n<ul>\n<li>Precisely designed and tested on the vehicle under real-world conditions<\/li>\n<li>T304 stainless steel construction, TIG-welded and protected on the inside<\/li>\n<li>Replaces the restrictive factory downpipe<\/li>\n<li>Effective exhaust system upgrade<\/li>\n<li>Distinctive sporty exhaust sound that remains refined during cruising<\/li>\n<li>No unwanted droning when combined with the factory exhaust system<\/li>\n<\/ul>\n<p>To eliminate the check engine light (CEL), which may appear after installation, suitable software calibration is required. The use of a suitable Bootmod3 software upgrade is recommended. The product is intended exclusively for use off public roads and is not road-legal in the EU.<\/p>\n<p>135i or 335i vehicles manufactured after 07\/2013 require a 4\u2033 downpipe.<\/p>\n<p><strong>Suitable for:<\/strong> BMW 1 II (F20\/F21), BMW 3 VI (F30\/F31\/F34\/F80).<\/p>\n<h3>Compatible vehicles (manufacturer data)<\/h3>\n<table class=\"tc-fitment-table\">\n<thead>\n<tr>\n<th>Vehicle<\/th>\n<th>Chassis<\/th>\n<th>Years<\/th>\n<th>Engine<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>BMW 335i<\/td>\n<td>\u2014<\/td>\n<td>2012\u20132013<\/td>\n<td>\u2014<\/td>\n<\/tr>\n<tr>\n<td>BMW 335i xDrive<\/td>\n<td>\u2014<\/td>\n<td>2012\u20132013<\/td>\n<td>\u2014<\/td>\n<\/tr>\n<tr>\n<td>BMW M135i<\/td>\n<td>\u2014<\/td>\n<td>2012\u20132013<\/td>\n<td>\u2014<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><em>Before ordering, check that the product matches your vehicle (model, year and engine). If in doubt, write to us \u2014 we will check for you.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>3.5\u2033 high-flow catalytic converter or downpipe for BMW N55 with a pneumatic wastegate actuator.<\/p>\n<p><strong>Fits:<\/strong> BMW 335i F30, BMW 335i xDrive F30, BMW M135i F20\/F21<\/p>\n","protected":false},"featured_media":804144,"comment_status":"open","ping_status":"closed","template":"","meta":{"ep_exclude_from_search":false},"product_brand":[146168],"product_cat":[2061],"product_tag":[],"class_list":["post-804142","product","type-product","status-publish","has-post-thumbnail","tc_lang-en","tc_lang-hr","product_brand-cts-turbo","product_cat-turbo-polnilniki-in-dodatna-oprema","product_shipping_class-dostava-teza-do-5kg","pa_proizvajalec-cts-turbo","first","onbackorder","taxable","shipping-taxable","purchasable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/tunerscapital.eu\/en\/wp-json\/wp\/v2\/product\/804142","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tunerscapital.eu\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/tunerscapital.eu\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/tunerscapital.eu\/en\/wp-json\/wp\/v2\/comments?post=804142"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/tunerscapital.eu\/en\/wp-json\/wp\/v2\/media\/804144"}],"wp:attachment":[{"href":"https:\/\/tunerscapital.eu\/en\/wp-json\/wp\/v2\/media?parent=804142"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/tunerscapital.eu\/en\/wp-json\/wp\/v2\/product_brand?post=804142"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/tunerscapital.eu\/en\/wp-json\/wp\/v2\/product_cat?post=804142"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/tunerscapital.eu\/en\/wp-json\/wp\/v2\/product_tag?post=804142"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}