WHIPPLE: Bypass assembly 1.50" left (dual port) c7 spal Only Fits Dodge Challenger

Only Fits Dodge Challenger

1L Gas 1970-1970 GMC 2500 L6 4

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

for a hassle-free installation

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

WHIPPLE: Bypass assembly 1.50" left (dual port) c7 spal Only Fits Dodge ChallengerWhat 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