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Home > Volkswagen > Golf/GTI/Rabbit > MK4 ('99-'05) > 1.8T > Exhaust > Downpipes >   42 Draft Designs 1.8T K04 3" Downpipe - Race Series
Alternative Views:	Our Price: $400.00 Availability:: Usually Ships in 2 to 3 Weeks Product Code: 4.5.585 Cat-Back Adapter Stock 2.5" 3.0"

Description Technical Specs Extended Information   Over the years the Audi TT K04-020 turbocharger has proven to be a worthwhile upgrade on the K03 equipped mk4. Since the release of a few bolt-on K04 turbocharger kits the DIY crowd has been scouring the TT classifieds piecing together kits for less. Until now, no bolt-on downpipe has been available which allows the TT 225 K04-020 turbo and manifold to fit the mk4. Those days are over! 42's 3" downpipe begins at the turbo with a CNC machined turbo flange and the tightest 3" mandrel bend possible. The remainder of our downpipe is CNC mandrel bent in one piece to add strength and eliminate unnecessary welds. A stainless steel flex section is used to absorb engine movement. After the flex section a CNC machined flange allows a 3" high-flow cat or 3" test pipe to be installed. We use Magnaflow catalytic converters for all of 42's downpipes. After the cat, a custom adapter allows perfect bolt-on fitment to any aftermarket cat-back. We offer adaptors for stock sized exhausts, 2.5" and 3". The whole downpipe bolts together to ensure zero leaks and zero problems. 42 uses triple layer graphite gaskets and grade 5 locking hardware for the tightest fit. The modular nature of 42's downpipe allows the user to change configurations at any time. For example, their downpipe may be purchased with a stock sized adaptor and connected to stock or any basic aftermarket cat-back exhaust. At any time a 2.5" or 3" cat-back can be installed using the appropriate adaptor. 42's 3" cat-back systems are completely compatible with this downpipe allowing the possibility of a 3" turbo-back in any configuration. On race days the catalytic converter can be easily swapped for a test pipe. 42's 3" downpipe is available in 6 configurations. Street series downpipes include a high-flow cat. Race series downpipes include a 3" test pipe. Each downpipe includes a cat-back adaptor. Adaptors are available in stock size (2.15"), 2.5" and 3". Each downpipe is shipped complete with everything needed for installation. Additional adaptors, test pipe, cat section, gaskets, and hardware can be purchased separately at any time. Besides price, the biggest worry on the minds of DIY builders is fitment. 42's K04 downpipe was designed using precision tooling and the OEM Audi TT 225 turbocharger and exhaust manifold. Rigorous testing was done to repeat the phenomenal fitment of our mk4 1.8T 3" downpipes. The downpipe fits like an OEM downpipe would and an aftermarket downpipe should - no rubs, no rattles, no problems.   Features Fits 1999-2005 VW mk4 Golf, Jetta, GTI 1.8T Fits 2000-2006 Audi TT 180 FWD Fits VW New Beetle 1.8T Available in street or race configuration 2 triple layer gaskets & OEM K04 turbo gasket included 5/16" grade 5 locking hardware included Choice of 3 pipe size adaptors allow unrestricted fitment to any cat-back exhaust

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