Center pipe G Reddy Circuit Spec Mazda RX-7 FD - 10540611 - G Reddy Circuit Spec Center Pipe For Mazda RX-7 FD3S (1991-2002)Engine code : 13B-REW Removes the catalytic converter SUS304 stainless steel Tube diameter : 80 mm Bolt-on fitment Made in Japan G Reddy part number : 10540611G Reddy Circuit Spec Center Pipe Specifications Known worldwide for its exhausts, the Japanese manufacturer G Reddy presents the Circuit Spec center pipe for Mazda RX-7 FD3S with 13B-REW engine. This 80mm diameter tube removes the standard catalyst and improves gas flow, engine response and overall performance. As it removes an important part of the car's emission control system, its use is prohibited on open roads. This part is made of polished SUS304 stainless steel for superior durability and is supplied with the necessary hardware for mounting. Caracteristics : Section : center pipe Material : stainless steel Type : 1 piece, diam. 80 mm Note : The image above may be generic and may not accurately represent the product.