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GRP has developed a custom X-Pipe and downpipes complete exhaust for the new Acura NSX.After much testing and development, GRP is excited to offer ...

GRP has designed and manufactured a direct replacement for all Porsche 991 GT3, GT3 RS, and 911 R models. Our GRP Center bypass exhaust is in stock...

Graham Rahal Performance is excited to announce several performance products in the pipeline for the new Honda Civic Type R. First up in the Graham...