Eibach ERS 100mm Length x 60mm ID Coil-Over Spring Air Intake Systems>Cold Air Intakes Features and Benefits:The new and

Features and Benefits:The new and improved Filter Block is CNC Machined from Solid Billet 6061 Aluminum

409 stainless steel tubing eliminates the primary resonator to increase flow and "turn-up" your exhaust tone with an improved sound

'77-'91 GM with a length of 17

This is a perfect length for connecting to a compressor in the engine bay

Eibach ERS 100mm Length x 60mm ID Coil-Over Spring Air Intake Systems>Cold Air Intakes Features and Benefits:The new andEibach's ERS line has evolved over the years to be the world's most prominent, comprehensive and superior Race Spring System. Eibach Race Springs are all manufactured in series production, often repeated, with a strong manufacturing experience. Thus, Eibach constantly achieves the most linear spring characteristic (rate) while maintaining the lowest tolerances and the highest quality in the industry.