{"product_id":"ams-performance-r35-gt-r-race-downpipes","title":"AMS PERFORMANCE R35 GT-R RACE DOWNPIPES","description":"\u003cdiv\u003e\n\u003cp\u003eWhen unrestricted exhaust flow is the goal, compromises are not an option. The AMS Race Downpipes were engineered from the ground up to deliver massive horsepower gains, faster turbo response, and long-term reliability that outperforms and outlasts the competition. Designed using advanced CAD modeling and manufactured from premium cast stainless steel, these downpipes represent the perfect balance of performance, sound, and OEM-like fitment.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ch4\u003eBig horsepower increases throughout the powerband\u003c\/h4\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch4\u003eImproved turbo spool and throttle response\u003c\/h4\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch4\u003eCast construction offers added performance and reliability over the competition\u003c\/h4\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch4\u003ePronounced, throaty exhaust note under wide open throttle yet is subdued at idle and while cruising\u003c\/h4\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch4\u003eLarge 90mm (3.5”) primary section for optimal exhaust flow\u003c\/h4\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch4\u003eStock like fitment with no chassis clearance issues\u003c\/h4\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch4\u003eBolts up to the stock mid-pipe or most aftermarket systems\u003c\/h4\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch4\u003ePrecision TIG welded with unrivaled fit and finish\u003c\/h4\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch4\u003e100% 304 stainless steel cast inlet and outlet\u003c\/h4\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch4\u003e100% 304 stainless steel center pipe with .065” wall thickness\u003c\/h4\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch4\u003e1\/2″ thick stainless steel flanges\u003c\/h4\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch4\u003eBracket hardware and midpipe gaskets included\u003c\/h4\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3 data-start=\"1540\" data-end=\"1596\"\u003eEngineered for Maximum Flow and Unmatched Durability\u003c\/h3\u003e\n\u003cp data-start=\"1598\" data-end=\"1953\"\u003eUnlike many competitors that rely on pie-cut or multi-welded fabricated designs, AMS Race Downpipes utilize\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"1706\" data-end=\"1734\"\u003erobust cast construction\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efor superior strength and longevity. The welded seams on our competitor’s offerings are a common failure point in high-heat turbo applications; casting eliminates these weak areas while allowing for smoother internal transitions and optimized geometry.\u003c\/p\u003e\n\u003cp data-start=\"1955\" data-end=\"2278\"\u003eUsing\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"1961\" data-end=\"1982\"\u003eSolidWorks 3D CAD\u003c\/strong\u003e, the AMS engineering team carefully designed the inlet and outlet profiles to maximize exhaust gas velocity while minimizing turbulence. A\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"2122\" data-end=\"2159\"\u003elarge 90mm (3.5”) primary section\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eensures optimal flow capacity, preventing the unnecessary backpressure often caused by smaller 76mm (3”) alternatives.\u003c\/p\u003e\n\u003cp data-start=\"2280\" data-end=\"2500\"\u003eThick\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"2286\" data-end=\"2316\"\u003e½” stainless steel flanges\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eprovide a leak-free seal and maintain flatness under extreme thermal cycling, while factory-style mounting points ensure a true OEM-like installation with no chassis clearance issues.\u003c\/p\u003e\n\u003ch3 data-start=\"2502\" data-end=\"2545\"\u003ePrecision Manufacturing, Inside and Out\u003c\/h3\u003e\n\u003cp data-start=\"2547\" data-end=\"2840\"\u003eEvery AMS Race Downpipe is manufactured from\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"2592\" data-end=\"2620\"\u003e100% 304 stainless steel\u003c\/strong\u003e, including cast inlet and outlet sections and a center pipe constructed from\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"2698\" data-end=\"2729\"\u003e.065” wall thickness tubing\u003c\/strong\u003e. Each unit is\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"2744\" data-end=\"2768\"\u003eprecision TIG welded\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eto meet AMS’s uncompromising standards for fit, finish, and durability.\u003c\/p\u003e\n\u003cp data-start=\"2842\" data-end=\"3003\"\u003eThe result is a downpipe system that installs easily, bolts directly to the stock mid-pipe or most aftermarket exhaust systems, and looks as good as it performs.\u003c\/p\u003e\n\u003ch3 data-start=\"858\" data-end=\"899\"\u003eBig Power Gains Where It Matters Most\u003c\/h3\u003e\n\u003cp data-start=\"901\" data-end=\"1311\"\u003eExhaust restriction is one of the biggest limiting factors in turbocharged performance. By replacing the factory downpipes with the AMS Race Downpipes, backpressure is significantly reduced, allowing the turbochargers to operate more efficiently. The result is\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"1162\" data-end=\"1237\"\u003esubstantial horsepower and torque gains throughout the entire powerband\u003c\/strong\u003e, along with noticeably quicker turbo spool and sharper throttle response.\u003c\/p\u003e\n\u003cp data-start=\"1313\" data-end=\"1538\"\u003eDuring in-house testing on our shop vehicles equipped with upgraded turbos, these downpipes delivered dramatic improvements with nothing more than a bolt-on installation—proof that proper engineering makes all the difference. During testing our shop GT-R with Alpha upgraded turbos saw gains across the power band of 100 wheel horsepower and over 130 ft lbs of torque with this simple bolt-on!  Turbo spool-up was also improved by almost 400rpm!\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003eProduct Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFits all USDM, European and JDM Models\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"AMS Performance","offers":[{"title":"Default Title","offer_id":48015019475098,"sku":"ALP.07.05.0001-1","price":1199.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0078\/5553\/8249\/files\/imgi_16_Alpha_GT-R_90mm_Downpipes_1200x800_0c1e541a-7edc-40d9-90ac-14ca8ebd3b91.jpg?v=1778615330","url":"https:\/\/trackuza.com\/products\/ams-performance-r35-gt-r-race-downpipes","provider":"TRACKUZA LLC","version":"1.0","type":"link"}