STM 1G/2G DSM Aluminum 3in Speed Density Intake (No MAF) FIC What's the difference between H-Beam

What's the difference between H-Beam and Extreme Duty

Evo X MR SST and Subaru WRX/STi/BRZ 6-Speed models

1000B075(old)

1/2" NPT fitting for oil temperature sender

also allowing easy drain access from under the car

STM 1G/2G DSM Aluminum 3in Speed Density Intake (No MAF) FIC What's the difference between H-BeamThe STM 1G 2G DSM aluminum SD intake is designed for those running Speed Density without the MAF. Includes your choice of matching coupler for the turbo inlet and a STM air filter that can be cleaned for a lifetime of use. The pipe is made in house of tig welded 3" aluminum and available with your choice of finish options. Vehicle Fitment: 1G 2G DSM 1990 1999 Eclipse GST GSX 1990 1998 Talon TSi 1990 1994 Laser RS For Speed Density Only (No MAF)