Overview Reviews Product Description This patent-pending, Venturi-effect, tapped exhaust clamp from Innovate Motorsports is ideal for obtaining accurate lambda measurements on temporary installations for non-catalyst autos or other engines. Product Videos Custom Field Product Reviews Write a Review Write a Review × Innovate Motorsports Innovate Exhaust Clamp - 3728 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *