BROMBACHER Race Exhaust System with valves for 997 GT3/RS with RSR style tips_x000B__x000B_FACTS:_x000B__x000B_- + 25 crank hp & + 18 crank torque with valves closed_x000B_- 200 Cell high flow, tri metal German HJS "HD" sport catalysts**_x000B_- 2 3/4" tubing (70 mm) straight through design for max. power_x000B_- Equal length header set up with merge collector for maximum torque gain_x000B_- Weighs 37.2 lbs. (16.9 Kg) THIS IS THE LIGHTEST VALVED SYSTEM IN THE BROMBACHER LINE !!**_x000B_- 49.3 lb (22.3 Kg) savings over stock system!!**_x000B_- T 316 stainless steel for improved durability over T 304_x000B_- Includes all necessary clamps and mounting brackets_x000B_- Made in Germany_x000B_- 110 dB with valves open (Not for faint of heart!!!)_x000B_- 103 dB with valves closed_x000B_- Intoxicating growl at idle, partial throttle and wide open throttle_x000B_- No DME programming necessary_x000B__x000B_** This system contains the latest HJS cats, nicknamed "HD" for high durability matrix design catalytic converters. They have a SM-matrix (winding of three flat and corrugated foils) and a special connection to the matrix sheath, which equates to extremely high durability for track and street use. The added benefit is that they DO NOT generate catalytic efficiency codes (CHECK ENGINE LIGHT) that most OEM Porsche programs (EU 5 software) generate._x000B__x000B__x000B_The FVD GT3 race exhaust gives the 997 GT3 a more pronounced, aggressive sound similar to the 997 Cup Car. Our exhaust is much less restrictive than the factory system and yields substantial weight savings in the rear of the vehicle. Our exhaust system produces an incredible sound that is pure Porsche!_x000B__x000B_Installation made easy! Replace worn hardware and gaskets with one of our prepackaged installation kits._x000B_Use Part # FVD MK9 972 02_x000B__x000B_For Reference:_x000B_997 GT3 OEM Exhaust Weight (Based on 2007 GT3/RS)_x000B_Stock primary muffler 22lbs each (44lbs total)_x000B_Stock secondary muffler and tips 20lbs_x000B_Stock headers and cats 11.25lbs each (22.5lbs total)_x000B_Stock exhaust system 86.5lbs total_x000B__x000B_FVD 997 GT3 Race Exhaust Super Sound with RSR style tips_x000B_Header & Cat =14 lbs_x000B_Center tips and hardware= 23.2 lbs_x000B_System Weighs 37.2 lbs total!!!_x000B_= 49.3 lbs lighter than stock exhaust!!!_x000B__x000B_We strongly suggest replacing worn gaskets and hardware with our pre-packaged installation kits._x000B__x000B_FVD Exhaust Systems Carry A 2 Year Warranty!_x000B__x000B_This item may need to be sourced from Germany and would take 2-4 weeks to arrive. Once ordered it cannot be canceled. Please call to check stock or request expedited shipping.