WHIPPLE: Bypass assembly 1.50" left (dual port) c7 spal Premium stainless steel T-bolt clamps

Premium stainless steel T-bolt clamps and a silicone hump coupling are used for strength and durability while also providing the most secure installation available

This four piece designed cat-back system utilizes a less-restricting muffler to improve your 4Runner's performance while maintaining a deep

and at a hair less than $3

Only Fits Dodge Challenger

Fabricated from a combination of heavy-duty 1

WHIPPLE: Bypass assembly 1.50" left (dual port) c7 spal Premium stainless steel T-bolt clampsWhat does a bypass valve do? The best kept secret in forced induction is the little known air bypass valve. When properly installed the bypass valve makes the supercharger efficient and reduces parasitic loss! The bypass is operated by a vacuum actuator control unit that is normally closed. When vacuum is high the actuator opens the bypass valve, equalizing the vacuum pressure throughout the system. When boost is required the vacuum is decreased and