Motordyne 1/2" Iso Thermal plenum spacer (MD-12I) 18210 2018-2020 Jeep Wrangler L4-2

2018-2020 Jeep Wrangler L4-2

21740-9FD0A

Own The Night with RIGID's Roof Pod Mount for your 2021 Ford Bronco

This side-mounted kit is designed to fit lifted trucks

Includes high flow catalytic converters which are less restrictive than the factory converter providing maximum flow

Motordyne 1/2" Iso Thermal plenum spacer (MD-12I) 18210 2018-2020 Jeep Wrangler L4-2This stealth modification adds 12HP 14HP and reduces the effect of power robbing heat soak. This plenum spacer can be used for maximum performance enhancement. It also adds a substantially deeper induction growl under the hood. The 1 2 plenum spacer is fully compatible with the engine cover but is too large to fit the stock strut bar. With the engine cover in place the engine bay looks completely stock with the only difference being the strut bar is