Fabspeed rsr Header/muffler Kit with heat

Product Details:_x000B__x000B_Complete high performance exhaust system provides loud & aggressive CUP car sound with dual outlets _x000B__x000B_FEATURES:_x000B__x000B_-Fits all Porsche 911 Carrera vehicles (1976-1989)_x000B_-Major improvement in power throughout the RPM range._x000B_-Saves 43 lbs from the rear of the vehicle _x000B_-Loud and aggressive Cup car sound. Recommended for Track Use ONLY!_x000B_-Constructed from high quality 14-16 gauge, C.N.C. mandrel bent T304 stainless steel tubing_x000B_-RSR Long-tube headers feature equal length primary pipes with F1 style high velocity 3-into-1 pyramidal investment cast merge collectors_x000B_-Dual outlet system comes with all required hardware_x000B_-Available options include Heat Exchange, Sportcats &/or Tip_x000B__x000B_All Fabspeed performance products are backed by the Fabspeed Lifetime Limited Warranty_x000B__x000B_NOTE: Requires slight modification to the factory rear bumper for proper fitment of the second outlets_x000B__x000B_* Headers require oil line update part # G91110773910 or G93010772910.