What does a VRSF downpipe do?
What does a VRSF downpipe do?
VRSF N54 3″ Cast Stainless Steel Catless Downpipes By eliminating the restrictive catalytic converters in the factory N54 downpipes, back pressure is reduced significantly which results in faster spool, an increase in power & a more aggressive exhaust note.
Why are Catless downpipes illegal?
Catless downpipe is illegal to drive on the street because of high emission concerns. If you are planning to install a downpipe for your daily driver, then you should look for a catted downpipe instead. It gives you less power but it could still be legal and pass the emissions test.
Are high flow downpipes legal?
Emissions Testing A catless downpipe is technically illegal as it violated emissions laws. With high-flow options, you will pass emissions testing and are in compliance with the law.
Where are VRSF downpipes made?
VRSF is designed and tested in the US, manufactured in China.
What is a high flow cat downpipe?
Similar to cattless downpipes, high-flow catted downpipes will allow your turbos to spool faster and deliver more power. However, as you likely assumed, these downpipes have catalytic converters and are more restrictive than catless downpipes. They still provide relatively solid gains for turbo spool, power, and sound.
Will a Catted downpipe pass emissions?
No point in going catted. Aftermarket cats are junk and only a matter of time before you throw a cel and regret not going catless in the first place for more power. With MHD and JB4 all readiness is cleared except 1, which is allowed to pass the emissions test.
Is Decat legal in UK?
Its not illegal by law to have a decat. The people who set rules about emissions are the DVLA, not the police. The police don’t do anything about decats unless they are accompanied by a vosa emissions officer, who is authorised to test the car.
Why are downpipes illegal in California?
A “Downpipe” is a pipe with no catalytic converter. Missing a cat in California is illegal. A “Downpipe” is a pipe with no catalytic converter. Missing a cat in California is illegal.
Will a downpipe pass smog?
No definite way to say unless you get emissions tested with a tailpipe sniffer. But generally, any aftermarket downpipe (even with a catalytic converter) will not pass emissions.
Who is the best vrsf – VR speed factory stockist?
VRSF has set a goal to make the utmost quality product at the most affordable prices. Known for their downpipes, charge pipes and accessories all backed by the VRSF Lifetime Warranty. MODE Auto Concepts is Australia’s largest VRSF – VR Speed Factory stockist and supplier.
What is the best catback exhaust for a 335i?
The VRSF 3.5″ Catback Exhaust for your N54 & N55 335i is the best bang for your buck option available for your N54/N55. Our 3.5” mandrel bent design significantly reduces flow restrictions present in the OEM system which results in faster spool and MORE POWER.
What kind of steel is used for exhaust tips?
Made from hand crafted, tig welded 3.5″ stainless steel. 100% 304 grade stainless steel construction. Over 40lbs of weight savings over the stock exhaust! Fully adjustable/replaceable tip design. Mandrel bent, smooth radius bends to decrease turbulence and increase flow.
What is the difference between the OEM and street exhaust?
Our 3.5” mandrel bent design significantly reduces flow restrictions present in the OEM system which results in faster spool and MORE POWER. Our 3.5″ Street Exhaust shaves about 42 lbs over the OEM exhaust due to our unique 2 to 1 design from the downpipes through the muffler.
