Pretty straightforward install. I feel like if you're already replacing the intake this is a no brainer. Love the increased induction sounds. My smiles per gal have definitely increased.
Description
Location Diagram

Our stage 3 engine bay kit includes 37 titanium bolts, 35 titanium washers, 8 titanium nuts, and 16 well nuts. The kit replaces the hardware circled in the diagram above. The Civic Si stage 3 engine bay kit comes with clear instructions that walk you through where to place each hardware piece, ensuring a fast and effortless setup.
Locations include:
- Radiator Shroud/Cover
- Fenders Shrouds/Covers
- Fenders
- Radiator Stay
- Battery Tie-Down
- Battery Heat Shield
- Hood Hinges
- Strut Towers
- Fuse Box
- ECU Bracket
- A/C Line Bracket
- Coolant Reservoir
- Coolant Overflow Hose Bracket
- Fuel Line Bracket Cover
Benefits include:
- Replaces Plastic Clips with Titanium Hardware
- Superior Corrosion Resistance
- Flawless Finish
- Weight Reduction
- Improved Strength
- Best Warranty in the Industry
- Detailed Installation Instructions
- Multiple Hardware Color Options
*Developed using a 2018 Honda Civic Si.
TSP Rewards
Purchase this product and earn $7.28 towards your next purchase!

![Dress Up Bolts Stage 3 Titanium Hardware Engine Bay Kit for 17-20 Honda Civic Si [FC1/3]](http://www.twostepperformance.com/cdn/shop/files/HON-058-TiLocationDiagram_1080x1080_8752e1c1-caad-4d91-a28a-ee766ae927b5.jpg?v=1720194186&width=2048)
![Dress Up Bolts Stage 3 Titanium Hardware Engine Bay Kit for 17-20 Honda Civic Si [FC1/3]](http://www.twostepperformance.com/cdn/shop/files/10thGenHondaCivicSIHardwareColorChart.jpg?v=1720194186&width=2048)
![Dress Up Bolts Stage 3 Titanium Hardware Engine Bay Kit for 17-20 Honda Civic Si [FC1/3]](http://www.twostepperformance.com/cdn/shop/files/HON-058-Ti-GLD.jpg?v=1720194187&width=5142)
![Dress Up Bolts Stage 3 Titanium Hardware Engine Bay Kit for 17-20 Honda Civic Si [FC1/3]](http://www.twostepperformance.com/cdn/shop/files/HON-058-Ti-MP-1.jpg?v=1720194187&width=2048)
![Dress Up Bolts Stage 3 Titanium Hardware Engine Bay Kit for 17-20 Honda Civic Si [FC1/3]](http://www.twostepperformance.com/cdn/shop/files/HON-058-Ti-MP-2.jpg?v=1720194186&width=2048)
![Dress Up Bolts Stage 3 Titanium Hardware Engine Bay Kit for 17-20 Honda Civic Si [FC1/3]](http://www.twostepperformance.com/cdn/shop/files/HON-058-Ti-MP-3.jpg?v=1720194186&width=2048)
![Dress Up Bolts Stage 3 Titanium Hardware Engine Bay Kit for 17-20 Honda Civic Si [FC1/3]](http://www.twostepperformance.com/cdn/shop/files/HON-061-Ti-MP-1_53ff310a-b824-4ed6-9739-ccb79a9e2628.jpg?v=1720194186&width=2048)
![Dress Up Bolts Stage 3 Titanium Hardware Engine Bay Kit for 17-20 Honda Civic Si [FC1/3]](http://www.twostepperformance.com/cdn/shop/files/Oil_Slick_Color_6bc5ea6f-0010-47a2-afd8-e580e4d16134.jpg?v=1783965827&width=1080)