STM Silicone Hump Couplers Size (I.D.):3.25" The ATP GTX3576R Evo X

The ATP GTX3576R Evo X turbo upgrade is a bolt-on design that fits with the stock manifold and downpipe capable of 650+ HP

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Suggested Dampening:

3000GT Vibrant MAF adapter (1995)

Rear F: HB453S

STM Silicone Hump Couplers Size (I.D.):3.25" The ATP GTX3576R Evo XWe have searched out the very best silicone hose manufacturers and are proud to offer our own brand of STM silicone couplers. We would not put our name on these if they were nothing less than the best! Couplers are black outside and orange inside with the STM logo. Available in I. D. sizes from 2" to 4". Sold individually. Price is for one coupler. Features: Hump Coupler 4 Ply Silicone Measurements in I. D. (Inner Diameter) Gloss Black Extremely