ZZP 3" Exhaust Cone Insert Sound Reducer Other-Platforms If you have your own

If you have your own HPTuner or DHP Powertuner

6061 T6 Billet Aluminum:

can be found here

critical clearances

To use the oversized valves you will need to have the valve seat cut larger to take advantage of the larger diameter valves

ZZP 3" Exhaust Cone Insert Sound Reducer Other-Platforms If you have your ownThis cone insert can be fitted inside your existing exhaust to bring down the volume without the need for extra resonators or mufflers. This insert fits directly into your exhaust, these slip fit in but you'll want to either use the integrated M8 nut or tack weld them in. One cone will typically result in a 1 3 dB reduction of volume. 100% T 304 stainless steel construction Compact size fits all racing applications Ultra lightweight less that 1 2 lb.