Need a replacement catalytic converter for your 1990 Suzuki Sidekick? MagnaFlow offers high-quality catalytic converters engineered for 1990 Suzuki Sidekick sub-models and engine sizes. We combine efficient design and state-of-the-art manufacturing to meet or exceed required emissions standards. Select your 1990 Suzuki Sidekick requirements and state vehicle registration to buy the best Sidekick catalytic converter online that fits your '90 Sidekick and meets your state’s emissions compliance.