DC Sports 4-2-1 Honda Civic Header Install | SOHC VTEC Sounds!

(21:12)

4-2-1 vs 4-1 header B series. Which is Better? Side by Side!

(10:)

Are Headers Worth It?

(11:53)

ARE RACELAND (4-2-1) HEADERS WORTH IT????? | Header Install and Tips | 0-60 times

(16:1econd)

Exhaust Header Secrets: What to Look For

(8:26)

eBay HEADER INSTALL (EK CIVIC) ARE THEY ANY GOOD?

(5:15)

VtecII (4-2-1 Headers + Megan Racing)

(29)

Roaring to Life: Exhaust Headers Finally Installed! 🔥🚗💨

(26)

Change Headers to 421 | Sound Check

(3:36)

Testing SME 4-2-1 NA headers \u0026 fixing the Racefix Parts Race car! (86 GR86 BRZ Headers tested)

(6:43)

D15z1 4-2-1 vs 4-1

(22)

rsx 4-1 vs rsx 4-2-1 kpro vs kpro (ebay headers are better!)

(54)

Honda Civic SIR | 4-2-1 headers | scav muffler test

(1:51)

How to install headers/exhaust manifold on a '97 Honda civic

(12:19)

n1 spoon copy muffler ph16 sohc 421 headers

(29)

Honda Civic SiR - Ninja 4-2-1 Headers Sound and Performance

(57)

HEADER 421 NDK EXHAUST VS header 41 Custom

(1:1econd)

2016 altis HKS free flow. 421 headers. full exhaust by fremuff

(52)

Wira 4g13 Jasma Exhaust+4-2-1 Header (Jun Speed Specialist)

(31)

421 stainless headers + greddy chambered muffler

(41)