aFe Takeda 3in 304 SS Cat-Back Exhaust System w/ Polished Tips 2017 Honda Civic Si I4 1.5L (t) Bearings A stepped drill bit works

A stepped drill bit works well for doing this

NRG Quick Release Kit - Black Body/ Black Chrome Oval Ring

These are also length adjustable if you want to adjust out any static pre-load in the rear bar

Year Make Model Submodel 2010-2020 Toyota 4Runner Limited 2010-2020 Toyota 4Runner SR5 2018-2020 Toyota 4Runner SR5 Premium 2010-2016 Toyota 4Runner Trail 2017-2020 Toyota 4Runner TRD Off-Road 2015-2020 Toyota 4Runner TRD Pro

2006-2008 Civic Si

aFe Takeda 3in 304 SS Cat-Back Exhaust System w/ Polished Tips 2017 Honda Civic Si I4 1.5L (t) Bearings A stepped drill bit worksUnleash performance gains of up to +10 HP and +11 lbs. x ft. torque with aFe's Takeda 3" 2 " mandrel bent, 304 stainless steel cat back exhaust system for your 2017 2018 Honda Civic Si Coupe with I4 1. 5L (t) engine. This exhaust system is 100% hand TIG welded by certified craftsmen for race proven strength and durability and designed with dual, free flowing 304 stainless steel muffler s to improve performance across the power band while maintaining