{"product_id":"d4-street-power-package-2016-gt4-spyder","title":"D4 Street Power Package (2016 GT4, Spyder)","description":"\u003cp\u003eThe Street Power Package is for street driven GT4's and Spyders and includes 200 CPSI Cats and retains exhaust valves.  You can choose to purchase a 997\/991 GT3 muffler on your own, or purchase a lifetime muffler in Loud or Quiet with PVD Black Tips or Optional Titanium Tips.\u003c\/p\u003e\u003cp\u003eBottom Line on the below graph is a Stock GT4\u003c\/p\u003e\u003cp\u003eMiddle Line on the below graph is GT4 with Dundon Race Headers and Pro Tune\u003c\/p\u003e\u003cp\u003eTop Line on the below graph is GT4 with the Dundon D4 Kit.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e72lbft gains at 5000rpm over stock\u003c\/li\u003e\n\u003cli\u003e320lbft at the wheels peak torque\u003c\/li\u003e\n\u003cli\u003e62 peak hp gains at the wheels\u003c\/li\u003e\n\u003cli\u003e70+ whp gains at 5000rpm\u003c\/li\u003e\n\u003cli\u003e70+ whp gains at 7000rpm\u003c\/li\u003e\n\u003cli\u003e100+whp gains at 7700rpm\u003c\/li\u003e\n\u003c\/ul\u003e\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0075\/5046\/8132\/files\/GT4-STOCK-vs-DMS2-vs-D4_KIT-RUNNERS-AND-991-PLENUM_480x480.jpg?v=1582132664\" alt=\"Chart\"\u003e\u003c\/figure\u003e\u003cp\u003eThis kit is fully bolt on, and completely reversible.\u003c\/p\u003e\u003cp\u003eWorks for 981 GT4, Spyder and 981 GT4CS\u003c\/p\u003e\u003cp\u003eThe Kit consists of:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDundon Race Headers - Proven 4th tube technology aids in suction wave strength giving our headers the most power.  321 Stainless, fully purged, TIG welded construction and a lifetime warranty\u003c\/li\u003e\n\u003cli\u003eDundon Valved GT3 Muffler Adapter (w\/ high-flow Catalytic converters) - Replaces the stock muffler with 2.5\" 321 Stainless Steel over axle pipes, Valved GT3 Muffler Connectors (your exhaust button still works).\u003c\/li\u003e\n\u003cli\u003eCobb Accessport with Dundon Pro Tune - The standard for handheld tuning devices, allows logging, flashing and converting back to stock with ease (you can even resell it later to another 981 owner).\u003c\/li\u003e\n\u003cli\u003eDundon Intake Runners - Directing and timing the pressure waves coming into and leaving the engine is what we do, the Dundon Intake Runners show this and enable large gains, carrying power all the way to redline, where the stock intake runners fall flat.\u003c\/li\u003e\n\u003cli\u003eDundon Lifetime GT3 Muffler (optional Quiet Muffler) - Our bullet proof 321 Stainless Steel muffler with correct length GT4 tips, comes in 2 flavors.  Loud is a bit more aggressive than an OEM muffler but with the drone cancelling upper pathway, and a full 3\" lower pathway with an X pipe for the tip outlet (further enhances scavenging).  Quiet for those cars that run on dB-restricted tracks combining Cats and a Quiet Muffler is a great way to \"fly under the radar\" and keep the car's bravado reeled in!\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Dundon Motorsports","offers":[{"title":"Customer Supplied OEM GT3 Muffler","offer_id":31641703776292,"sku":"100-30173","price":18225.0,"currency_code":"USD","in_stock":true},{"title":"Lifetime Loud with PVD Black Tips","offer_id":31641703809060,"sku":"100-30165","price":24145.0,"currency_code":"USD","in_stock":true},{"title":"Lifetime Quiet with PVD Black Tips","offer_id":31641703841828,"sku":"100-30169","price":24145.0,"currency_code":"USD","in_stock":true},{"title":"Lifetime Loud with Titanium Tips","offer_id":31641703874596,"sku":"100-30167","price":24793.0,"currency_code":"USD","in_stock":true},{"title":"Lifetime Quiet with Titanium Tips","offer_id":31641703907364,"sku":"100-30171","price":24793.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0075\/5046\/8132\/files\/D4-Clubsport-Power-Package-2016-GT4-Clubsport-1x1.jpg?v=1789760153","url":"https:\/\/www.dundonmotorsports.com\/products\/d4-street-power-package-2016-gt4-spyder","provider":"Dundon Motorsports","version":"1.0","type":"link"}