aFe Magnum FORCE Replacement Coupling Kit for (3-1/4 IN ID x 2-1/2 IN L) Straight Bellow-Coupler Blk 1989-gmc-v2500-suburban-sierra-classic-esi4016703 HW2-HDSS kit features ACT's most

HW2-HDSS kit features ACT's most popular Heavy Duty pressure plate and most popular street disc

Our 3" diameter into dual 2

5" inlet that flows into a 2

High-Flow Cat: This system utilizes a high flow catalytic converter for maximum flow

aFe Magnum FORCE Replacement Coupling Kit for (3-1/4 IN ID x 2-1/2 IN L) Straight Bellow-Coupler Blk 1989-gmc-v2500-suburban-sierra-classic-esi4016703 HW2-HDSS kit features ACT's most3 1 4 IN Internal Diameter: This 2 1 2 IN long coupling is designed to connect to a tube with a 3 1 4 IN diameter. It's commonly used on aFe POWER cold air intake systems, but can be used for a variety of projects. Flexible Bellows Silicone: Its bellows design is extremely flexible, making it easy to install, even when dealing with misaligned tubes. It allows for ample expansion, movement and vibration in between two hard pipes. Stainless Steel