BMW 135i 335i N54 Decat Downpipes, Stepped Front Mount Intercooler and High Flow Inlets 2006-2010
Unlock serious performance from your BMW N54 twin turbo with this proven trio: stainless steel decat downpipes, a high efficiency stepped front mount intercooler and a high flow intake hose kit with RamAir filters. Ideal for BMW 135i and 335i owners chasing faster spool, lower intake temperatures and stronger top end power on E82 E88 and E90 E91 E92 E93 models from 2006 to 2010.
We have used and installed these N54 upgrades on our own builds and for customers, and the results have been fantastic. Sharper throttle response, a more aggressive exhaust note, cooler IATs and the headroom you want for Stage 2 and Stage 3 tuning.
Why buy this BMW N54 performance package
- BMW 135i 335i N54 decat downpipes for faster turbo spool and reduced backpressure
- Stepped 5 inch bar and plate FMIC for dramatically lower intake air temperatures
- High flow silicone inlets with RamAir filters for smoother, less restrictive intake flow
- Direct fit on E82 E88 135i and E90 E91 E92 E93 335i with the N54 engine, 2006 to 2010
- Stronger mid range torque, improved top end power and consistent performance pull after pull
- Perfect foundation for BMW N54 tuning, Stage 1, Stage 2 and hybrid turbo builds
BMW 135i 335i N54 Stainless Steel Decat Downpipes
- Machined from T304 high grade stainless steel, TIG welded in house
- Fabricated in the UK with 10 to 12 mm laser cut flanges for durability and a perfect seal
- One piece stainless design formed on a 12 axis CNC tube bending machine for optimal gas flow and maximum internal diameter without losing mid range torque
- Sharper throttle response due to faster turbo spool
- Noticeable power gains and an aggressive, authentic twin turbo N54 exhaust note
- Lower EGTs and less backpressure relieve the turbochargers, improving cylinder charge
- Substantial weight saving versus factory catalytic converters
- Tested results: gains of approximately 12 to 17 bhp
- Recommended: Lambda sensor spacer(s) to help prevent the engine light in most cases
- Lifetime warranty on the downpipes
Fitment: BMW 1 Series E82 E88 135i N54 2006 to 2010 and BMW 3 Series E90 E91 E92 E93 335i N54 2006 to 2010. Common search terms include BMW 335i decat downpipe, BMW 135i downpipes, E90 335i downpipes, E92 N54 catless downpipe, E82 135i decat.
MTC Motorsport Stepped Front Mount Intercooler for BMW N54 135i 335i
- Massive 5 inch competition bar and plate core with flowed cast end tanks
- Near 100 percent more core volume and 100 percent more surface area than the standard intercooler
- Engineered to efficiently control IATs, providing consistent power on repeated pulls
- Capable of handling over 600 bhp
- Direct fit. Professional installation recommended, approx. 1 to 2 hours
Tested IAT improvements: intercooler intake temperatures were 135 to 140 degrees on both the standard and MTC cores over five back to back road runs. At the outlet into the engine, the standard intercooler saw 75 to 80 degrees whereas the MTC intercooler delivered temperatures in the high 20s across all five runs. This is one of the best FMIC options for the BMW N54 platform.
MTC Motorsport High Flow Intake Hose Kit for BMW N54 135i and 335i
This kit retains the OEM location and removes the significant restriction of the stock intake pipework.
- High quality silicone inlets reinforced with internal metal wire for maximum strength
- Fluoro lined hoses to resist discolouration
- Smoother, freer flowing path into the turbos for excellent performance gains
- Gains of around 60 bhp reported with the inlets alone
- For standard turbos with 45 mm inlets. If you run hybrid turbos with 50 mm inlets, see our other products
Included in the intake kit:
- 2 x reinforced intake hoses
- 2 x RamAir filters
- 2 x 57 mm alloy joiners
- 2 x 25 mm alloy joiners
Compatibility and keywords to help you find what you need
Compatible with BMW 135i E82 E88 and BMW 335i E90 E91 E92 E93 with the N54 twin turbo engine from 2006 to 2010. If you searched for BMW N54 decat downpipes, BMW 335i downpipe, BMW 135i downpipe, E90 335i intercooler, E92 335i FMIC, N54 stepped intercooler, N54 inlets, BMW 135i intake, BMW 335i intake hoses, RamAir filters N54, catless downpipe N54, BMW tuning Stage 2 N54 or BMW N54 performance parts, this kit is exactly what you are looking for.
Installation, support and Nforcd fitting
Professional installation is recommended for all components. The N54 engine bay is tight and exhaust fitment tolerances can vary by car.
For a hassle free install, book fitting with us at Nforcd in Warwickshire. Request a quote at Sales@nforcd.com.
Notes
- We recommend adding Lambda sensor spacers to help avoid a check engine light when running decats. Search our other items to add these to your basket
- Decat downpipes are intended for off road or motorsport use only
Why buy from Nforcd
We specialise in BMW N54 performance parts and have installed and tested these upgrades on multiple customer cars. Expect outstanding results, reliable fitment and proven gains backed by great support from enthusiasts who know the platform.