BMW N54 E90 E92 E82 decat downpipes, 5in stepped FMIC & turbo inlets kit

For N54-powered BMWs: E90, E92, E93 335i and E82/E88 135i (2006-2010). No guesswork - this kit fits straight on.

• Catless stainless downpipes - T304 UK-made, CNC-bent, lifetime warranty; gains 12-17 bhp, sharper spool, full twin-turbo tone
• 5in stepped front-mount intercooler - bar-and-plate core, +100% volume/surface area; holds IATs in the high 20s under load
• Fluoro-lined silicone turbo inlets + RamAir filters - wire-reinforced, direct-fit; ~60 bhp gain alone on stock turbos
• Ready for Stage 2 tuning, fast-road use or track-day duty - no mods needed to fit