VRSF 3" Cast Stainless Downpipes (Catless/Decat) for BMW N54 Twin Turbo 135i 335i 335is E82 E90 E91 E92 E93 - Turbo Downpipe Kit Brushed V2, Stage 2 Ready, LHD/RHD, Gaskets Included

3 inch Cast Stainless Downpipes for BMW N54 135i and 335i - Brushed V2

Unlock real performance from your twin turbo N54 with these 3 inch cast stainless downpipes. A proven exhaust upgrade for the E82 135i, E90 E91 E92 E93 335i and E92 335is, delivering stronger mid-range, faster turbo spool and a deeper, more aggressive tone. Perfect for Stage 2 remaps and anyone chasing better flow without compromise.

We run these on our own builds and many customer cars. Fitment is spot on, sound is addictive and the gains are exactly what N54 owners want from a de-cat turbo outlet upgrade.

Why this downpipe upgrade

• Real-world gains when mapped - typically 20 to 25 bhp and 25 to 30 lb ft.
• Cast bellmouth entry for a smooth turbo outlet transition and maximum gas velocity.
• Full 3 inch primary tubing that maintains diameter right up to the 2.5 inch connection to mate with the stock or aftermarket system, boosting flow and response.
• SS304 stainless construction with mandrel bends and tidy TIG welds for strength, durability and a premium brushed finish.
• Smoother radius bends to cut turbulence and back pressure for quicker spool-up.
• Includes gaskets and high quality mounting hardware for a straightforward bolt-on install.
• Compatible with Left Hand Drive and Right Hand Drive models - no trimming or cutting required.
• Backed by a lifetime warranty against defects and fitment issues.

Vehicle compatibility

• BMW 335i E90, E91, E92, E93 2007 to 2010
• BMW 335is E92 2011 to 2013
• BMW 135i E82 2008 to 2010
• N54 twin turbo engines only

What you get

• Pair of 3 inch catless downpipes with cast bellmouth entries
• Fitting gaskets and high grade fixings

Installation and support

Direct fitment to factory turbochargers and OE or performance cat-back systems. For professional fitting, mapping advice and aftercare, book with MJ Modifications in Warwickshire. Email info@mjmodifications.co.uk for a quote.

Search-friendly highlights

BMW N54 performance downpipe upgrade, 335i decat pipes, 135i down pipe kit, E82 135i exhaust mod, E90 E92 335i turbo downpipes, stainless steel 3 inch de-cat, brushed V2 cast bellmouth, faster spool and throttle response, Stage 2 tuning ready, UK fitting available.