{"title":"Up-Pipes","description":"","products":[{"product_id":"wehrli-01-04-chevrolet-6-6l-duramax-lb7-2in-stainless-up-pipe-kit-w-gaskets-single-turbo","title":"Wehrli 01-04 Chevrolet 6.6L Duramax LB7 2in Stainless Up Pipe Kit w\/Gaskets - Single Turbo","description":"Replace the lightweight 16G, leak-prone, 1 5\/8\" OEM up pipes with these heavy-duty 11 gauge 2\" Stainless up pipe kit. HD Stainless Bellows that will not crack and leak like OEM. Increase Turbo spool-up and decrease EGTs. This kit is for use with single turbo applications and factory exhaust manifolds. - - NOTE: These up pipes ONLY fit with OEM exhaust manifolds or WCFab Duramax Billet Exhaust Manifolds (WCF100363). - - Designed for use with WCFab downpipe. OEM and other aftermarket downpipes may require additional modifications - - Replaces the following GM Part numbers: 97223167, 97302261","brand":"Wehrli","offers":[{"title":"Default Title","offer_id":46401592721581,"sku":"wcfWCF100590","price":639.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0747\/5200\/0173\/files\/a24c6883190ec84cf426101762088c44.jpg?v=1782140124"},{"product_id":"wehrli-01-04-chevrolet-6-6l-duramax-lb7-2in-stainless-up-pipe-kit-w-gaskets-twin-turbo","title":"Wehrli 01-04 Chevrolet 6.6L Duramax LB7 2in Stainless Up Pipe Kit w\/Gaskets - Twin Turbo","description":"Replace the lightweight, leak-prone, 1 5\/8\" OEM up pipes with these heavy-duty 11 gauge 2\" Stainless up pipe kit. HD Stainless Bellows that will not crack and leak like OEM. Increase Turbo spool-up and decrease EGTs. This kit is used with twin turbo applications and factory exhaust manifolds or WCFab Duramax Billet Exhaust Manifolds (WCF100363)","brand":"Wehrli","offers":[{"title":"Default Title","offer_id":46401602158765,"sku":"wcfWCF100589","price":639.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0747\/5200\/0173\/files\/380db9d43c680ad68ca20d8022194b6c.jpg?v=1782140285"},{"product_id":"wehrli-17-24-chevrolet-6-6l-l5p-duramax-2in-stainless-up-pipe-kit-w-gaskets","title":"Wehrli 17-24 Chevrolet 6.6L L5P Duramax 2in Stainless Up Pipe Kit w\/Gaskets","description":"Replace the lightweight 16G, leak prone, 1 5\/8\" OEM up pipes on your 2017-2025 6.6L L5P Duramax equipped Chevrolet Silverado or GMC Sierra 2500 \/ 3500 HD truck with these heavy duty 11 gauge 2\" Stainless up pipe kit. HD Stainless Bellows that will not crack and leak like OEM. Increase Turbo spool-up and decrease EGT's. This kit is for use with factory exhaust manifolds. - - Fully compatible with WCFab Billet Exhaust Manifolds (Part Number WCF100373). - - INCLUDES GASKETS! -NO Tuning required, bolt on! -Will fit on stock truck no other modifications or upgrades necessary! - - Replaces the following GM Part Numbers: 12688021, 12702943, 12681437, 12680270, 12681162, 12674813, 12681162, 12676611 - - Also fits 2019+ L5D Duramax (4500\/5500\/6500) Medium Duty Trucks.","brand":"Wehrli","offers":[{"title":"Default Title","offer_id":46401607598253,"sku":"wcfWCF100624","price":705.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0747\/5200\/0173\/files\/3b263841c00688bf72271a25e6d3b7ca.jpg?v=1782140351"},{"product_id":"wehrli-17-24-chevrolet-gmc-6-6l-l5p-duramax-up-pipe-bolt-kit","title":"Wehrli 17-24 Chevrolet\/GMC 6.6L L5P Duramax Up Pipe Bolt Kit","description":"The WCFab L5P Up Pipe Bolt Kit is comprised of 12 specially selected high strength ARP fasteners and matched washers with a pack of assembly lube are designed as an upgrade to the smaller and failure prone 8mm OEM fasteners employed on the 2017 and newer 6.6L Duramax engines to connect the up pipes to the exhaust manifolds and turbocharger pedestal. During our performance development work on these engines we have seen common occurrences of the factory fasteners seizing or breaking in the manifolds or pedestal on brand new, low mile vehicles in rust free environments. This kit is a simple, cost effective upgrade for peace of mind and ease of serviceability for both stock and modified trucks.","brand":"Wehrli","offers":[{"title":"Default Title","offer_id":46401623457965,"sku":"wcfWCF100199","price":62.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0747\/5200\/0173\/files\/c1abeabfccb58dbdab3ce0d90eb4b37cL.jpg?v=1782140791"},{"product_id":"wehrli-11-16-duramax-lml-stainless-2in-up-pipe-kit-w-gaskets-passenger-side","title":"Wehrli 11-16 Duramax LML Stainless 2in Up Pipe Kit w\/ Gaskets (Passenger Side)","description":"Replace the lightweight 16G, leak prone, 1 5\/8\" OEM passenger side up pipe on your 2011-2016 6.6L LML Duramax equipped Chevrolet Silverado or GMC Sierra 2500 \/ 3500 HD truck with these heavy duty 11 gauge 2\" Stainless up pipe kit. HD Stainless Bellows that will not crack and leak like OEM. Improves exhaust flow which increases turbo spool-up and decreases EGT's. Excellent upgrade for hard working, heavy towing trucks or high performance applications equipped with larger upgraded turbocharger and emissions compliant tuning. Compatible with OEM style exhaust manifolds or WCFab Billet Exhaust Manifold (Part Number WCF100363). INCLUDES GASKETS! - NO Tuning required, bolt on! -Will fit on stock truck no other modifications or upgrades necessary! Replaces the following GM part numbers: 12657012, 12638302, 12644640. Will not work with aftermarket manifolds which alter the exhaust outlet location. Not compatible with LGH Duramax Equipped Express or Savana models.","brand":"Wehrli","offers":[{"title":"Default Title","offer_id":46401637875885,"sku":"wcfWCF100211","price":430.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0747\/5200\/0173\/files\/79b79d45cebcf6f3d5a4b71e4e7ba33cL.jpg?v=1782141285"},{"product_id":"wehrli-01-16-chevrolet-6-6l-lb7-lly-lbz-lmm-lml-duramax-up-pipe-bolt-kit","title":"Wehrli 01-16 Chevrolet 6.6L LB7\/LLY\/LBZ\/LMM\/LML Duramax Up Pipe Bolt Kit","description":"The WCFab ARP Bolt Kit for 2001-2016 Duramax Up Pipes or LB7 Turbo Down Pipes is comprised of 6 specially selected high strength 12 point ARP fasteners and matched washers with a pack of assembly lube and are designed as an upgrade to the aging OEM fasteners used on the 2001-2016 and newer 6.6L Duramax engines to connect the up pipes to the exhaust manifolds and turbocharger pedestal or the down pipe to turbo exhaust outlet on the LB7. During our performance development work on these engines we have seen numerous occurrences of factory fasteners seizing or breaking in the manifolds, pedestal, or turbine housing. This kit is a simple, cost effective upgrade for peace of mind and ease of serviceability for both stock and modified trucks. - - Torque to 54 FT LBS - - Replaces the following GM part numbers: 11611132","brand":"Wehrli","offers":[{"title":"Default Title","offer_id":46401640857773,"sku":"wcfWCF100240","price":38.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0747\/5200\/0173\/files\/04c523a3435cac57cfeaeccc2771acefL.jpg?v=1782141458"},{"product_id":"wehrli-11-16-duramax-lml-stainless-2in-up-pipe-kit-w-gaskets","title":"Wehrli 11-16 Duramax LML Stainless 2in Up Pipe Kit w\/ Gaskets","description":"Replace the lightweight 16G, leak prone, 1 5\/8\" OEM driver and passenger side up pipes on your 2011-2016 6.6L LML Duramax equipped Chevrolet Silverado or GMC Sierra 2500 \/ 3500 HD truck with this heavy duty 11 gauge 2\" Stainless up pipe kit. HD Stainless Bellows that will not crack and leak like OEM. Improves exhaust flow which increases turbo spool-up and decreases EGT's. Excellent upgrade for hard working, heavy towing trucks or high performance applications equipped with larger upgraded turbocharger and emissions compliant tuning. Compatible with OEM style exhaust manifolds or WCFab Billet Exhaust Manifold (Part Number WCF100363). INCLUDES GASKETS! - NO Tuning required, bolt on! -Will fit on stock truck no other modifications or upgrades necessary! Replaces the following GM part numbers: 12657012, 12638302, 12644640, 12650925, 12637379. Will not work with aftermarket manifolds which alter the exhaust outlet location. Not compatible with LGH Duramax Equipped Express or Savana models.","brand":"Wehrli","offers":[{"title":"Default Title","offer_id":46401646624941,"sku":"wcfWCF100197","price":709.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0747\/5200\/0173\/files\/b5b87deae30025f7f3ace786b74a7a51L.jpg?v=1782141487"},{"product_id":"wehrli-17-24-chevrolet-duramax-billet-exhaust-manifold-stainless-up-pipe-kit-w-gaskets-hardware","title":"Wehrli 17-24 Chevrolet Duramax Billet Exhaust Manifold \u0026 Stainless Up Pipe Kit w\/ Gaskets \u0026 Hardware","description":"WCFab's 2017-2025 L5P Duramax Billet Exhaust Manifolds replace the restrictive factory cast parts with high-strength, TIG-welded high-flow billet steel components. These manifolds are exhaust port gasket matched and internally divided for optimal flow with OEM or ported cylinder heads. Outlet locations allow full compatibility with OEM style up pipes and are paired with WCFab's 2\" Stainless High-Flow Up Pipes for optimized performance. Fully compatible with vehicle emissions system, these L5P Manifolds include the necessary sensor port and EGR riser flange. Includes new gaskets, ARP 12PT fasteners, and assembly lube for easy install. Finished in Black Ceramic Coat rated for 2000 deg F.","brand":"Wehrli","offers":[{"title":"Default Title","offer_id":46401652621485,"sku":"wcfWCF100226","price":2225.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0747\/5200\/0173\/files\/e590c59dcdbe023920783f5f5cd4137dL.jpg?v=1782141726"},{"product_id":"wehrli-01-04-chevrolet-6-6l-duramax-lb7-2in-stainless-passenger-side-up-pipe-w-gaskets-twin-turbo","title":"Wehrli 01-04 Chevrolet 6.6L Duramax LB7 2in Stainless Passenger Side Up Pipe w\/Gaskets (Twin Turbo)","description":"Replace the lightweight, leak-prone passenger side OEM up pipe with this heavy-duty 11 gauge 2\" Stainless up pipe. HD Stainless Bellows that will not crack and leak like OEM. Increase Turbo spool-up and decrease EGTs. This up pipe is built with more sweeping, less aggressive bends for use in COMPOUND \/ TWIN TURBO STYLE APPLICATIONS ONLY. It WILL NOT clear a conventional downpipe behind the engine off of the turbocharger in the valley. - - Compatible with only factory exhaust manifolds or WCFab Duramax Billet Exhaust Manifolds (WCF100363). - - NOTE: This up pipe will ONLY fit with OEM exhaust manifold.","brand":"Wehrli","offers":[{"title":"Default Title","offer_id":46401667563693,"sku":"wcfWCF100648","price":345.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0747\/5200\/0173\/files\/a58f16d849b84db89b6867cf19a4db36.jpg?v=1782142138"},{"product_id":"wehrli-01-04-chevrolet-6-6l-duramax-lb7-2in-stainless-pass-side-up-pipe-w-gaskets-single-turbo","title":"Wehrli 01-04 Chevrolet 6.6L Duramax LB7 2in Stainless Pass. Side Up Pipe w\/Gaskets (Single Turbo)","description":"Replace the lightweight 16G, leak-prone passenger side OEM up pipe in your 2001-2004 6.6L LB7 Duramax with this heavy-duty 11 gauge 2\" Stainless up pipe from WCFab. Our HD Stainless Bellow that will not crack and leak like OEM. Larger diameter and better flow than stock helps to increase Turbo spool up and decrease EGTs. This up pipe is built to clear a conventional downpipe behind the engine in single turbo applications with the mounting location in the valley of the engine like stock. This product may also be used with a twin \/ compound turbo setup, but we recommend upgrading to our Twin Turbo up pipe WCF100648 in those installations for superior performance. - - Includes Up Pipe Gaskets - - Replaces GM 97302261 - - NOTE: This up pipe will ONLY fit with OEM exhaust manifold or WCFab Duramax Billet Exhaust Manifolds (WCF100363). It is NOT designed for use with aftermarket exhaust manifolds that move the exhaust outlet location further away from the cylinder head. - - Designed for use with WCFab downpipe. OEM and another aftermarket downpipes may require additional modifications","brand":"Wehrli","offers":[{"title":"Default Title","offer_id":46401669988525,"sku":"wcfWCF100654","price":345.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0747\/5200\/0173\/files\/b6fca368e9985f95c8381766cae154c4.jpg?v=1782142202"}],"url":"https:\/\/www.dfispdx.com\/collections\/up-pipes.oembed","provider":"Diesel Fuel Injection Service","version":"1.0","type":"link"}