GrayAutoDesign

So some of you guys are running the stainless down pipe with an aluminum back section or cat back. I'm wondering what Vbands are you guys picking up? I'm worried that the aluminum and the stainless wont fit together due to just design differences between the two. So who would be the best supplier if your going to mix vbands. This is for the 4" size.

redboost10

www.racepartsolutions.com

c5R

i use vibrant flanges

GrayAutoDesign

Thats good to know the vibrant flanges mate up, are they male/female?

Boostedld9

i used vibrant v-bands as well on the 4" stainless/alum. exhaust i did on a civic.

GrayAutoDesign

How do they seal does the alum need a O ring i would think that wouldnt be used in exhaust. Are the two flanged Keyd? male female?

Fabworx

the vibrant flanges should work fine for that app. you have plenty of sealing surface with no o-ring

HamiltonRex

i used vibrant ones, they work fine using one side aluminum one side stainless

c5R

I usualy order a alum vband kit and one ss flange then use the alum one that dosent have a oring and it mates up and seals just fine. Vibrant FTW

xzodiackillerx

have any of you had a situation where oxidation has begun as dissimilar metals heat up?

Captain Bondo

I buy a stainless v-band, take one flange to the mahcine shop, and have them turn me an aluminum "clone" of the stainless one. Aluminum v-band assemblies are expensive so it works out cheaper. It'll vary depending on what sort of machine shop relationships you have of course.

hybridmoments

you can piece together a setup at Racepartsolutions
get the Male mild steel and Female Aluminum, as Male aluminums come with o rings, but male steel do not have o rings.

i believe a 3" setup is $17.95 (clamp) and $17 for each flange.

redboost10

exactly why i mentioned race parts solutions. they will mix and match types of materials with their vbands, only place that i have found that does that.