{"product_id":"propowerdiesel-6-6l-l5p-duramax-4-exhaust-2017-2019","title":"ProPowerDiesel - 6.6L L5P Duramax 4\" Exhaust (2017-2019)","description":"\u003cdiv\u003eThis is a 4\" Downpipe back single exhaust system that compares to the 20141NM or SS20141NM system by FLO-PRO and similar systems by MBRP and Jamo for the 2020-2024 6.6L, 2500\/3500 W\/ OEM 4-BOLT FLANGE EC-CC\/SB-LB-DUALLY, PICKUP ONLY. This kit allows you to remove the restrictive OE exhaust system, it will open up your exhaust system and lower your EGTs. This exhaust system does not include a muffler and is intended for race trucks only.\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003eComes with all the required clamps, pre-weld contour bent hangers, and stronger flanges to help you cruise through the installation process. \u003c\/span\u003eThis kit not only sounds great, but will improve fuel mileage, throttle response, and torque in your 6.6L.\u003c\/div\u003e\n\u003cdiv\u003e  \u003c\/div\u003e\n\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e4\" Downpipe Back Race Exhaust\u003c\/li\u003e\n\u003cli\u003eNo Muffler\u003c\/li\u003e\n\u003cli\u003eEasy Install\u003c\/li\u003e\n\u003cli\u003e409 STAINLESS STEEL - NO CHEAP ALUMINIZED STEEL HERE!!\u003c\/li\u003e\n\u003cli\u003eSingle Side Exit\u003c\/li\u003e\n\u003cli\u003eThis exhaust is designed to work with our aftermarket downpipe available\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.boostbrosperformance.com\/products\/propowerdiesel-6-6l-l5p-duramax-stainless-steel-downpipe-2017-2026?variant=46630478741660\" target=\"_blank\" rel=\"noopener\"\u003eHERE\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"p1\"\u003eExhaust will work with most other aftermarket downpipes and may work with OEM downpipe, but again, it is designed to work with our downpipe for guaranteed fitment.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eManufactured by ProPower Diesel in the USA.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIMPORTANT NOTE\u003cbr\u003eIn 2017, GMC made a production change in the connection between the catalytic converter and the turbo direct pipe on the L5P. Please ensure you have the newest 4-bolt style flange before ordering.\u003c\/strong\u003e\u003c\/p\u003e","brand":"ProPowerDiesel","offers":[{"title":"Default Title","offer_id":46630470910108,"sku":"PPD-4IN-17-19-66L5P","price":636.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/7341\/4812\/files\/1_4027040c-26c6-4c8b-8b5d-5a09fb880c8d.webp?v=1775330674","url":"https:\/\/www.boostbrosperformance.com\/products\/propowerdiesel-6-6l-l5p-duramax-4-exhaust-2017-2019","provider":"Boost Bros Performance","version":"1.0","type":"link"}