STM Billet Welding Purge Block for RS3/TTRS Mid Pipe Flange AWE Tuning • Core Height: 27

• Core Height: 27

• Designed to run OEM top mounts

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STM Billet Welding Purge Block for RS3/TTRS Mid Pipe Flange AWE Tuning • Core Height: 27The STM billet purge clamping block for RS3 TTRS exhaust mid pipe flanges allows us to securely bolt a flange and easily evacuate oxygen while welding to ensure a clean, solid weld and prevent warping. The aluminum block helps draw heat away from the flange while welding and you can bolt the flange securely to the block to prevent warping. Comes with 1 8" NPT threads to accept your purge fittings. These are the same purge blocks our fabricators use