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Benefits of a Downpipe
11-01-2019, 01:56 PM
Post: #21
RE: Benefits of a Downpipe
I have seen a gain on wkw and Nm's on all the cars I've installed DP's on.

Fencelook

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Kylef901
11-01-2019, 02:13 PM
Post: #22
Benefits of a Downpipe
I did some research on N55s a while back, someone in the states put together a comparison.

Power gains ranged between 8-16kw and 20-50nm - that’s at the wheels on a RWD car.

The most benefits will be had if the cat is blocked. Less resistance will help spool up time slightly and reduced back pressure will have some benefit.

But I also concur- sound is arguably the biggest benefit

F25 X3 35i M-Sport (The family car)
130i M-Sport: Alpine Upgrade, BMWP Intake, BMWP Exhaust
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Nikhil, PLV
11-01-2019, 02:58 PM
Post: #23
RE: Benefits of a Downpipe
Well, I guess I was wrong. Apologies. smile bounce
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11-01-2019, 03:04 PM
Post: #24
RE: Benefits of a Downpipe
(11-01-2019 01:56 PM)dvst8 Wrote:  I have seen a gain on wkw and Nm's on all the cars I've installed DP's on.

Fencelook

You are very fortunate...

Current:
e90 330d M-sport Auto
Opel Corsa Utility 1.4
Suzuki Tl1000

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Ex:
E46 320d Auto
E46 320d Manual
Kawasaki ZXR400
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11-01-2019, 03:34 PM
Post: #25
RE: Benefits of a Downpipe
All that being said....where is a good place to have a DP fitted to a 2010 320D in JHB?
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11-01-2019, 03:57 PM
Post: #26
RE: Benefits of a Downpipe
(11-01-2019 03:34 PM)wades Wrote:  All that being said....where is a good place to have a DP fitted to a 2010 320D in JHB?

Powerflow Randburg did a decent job on my 330d and they are reasonably pricedThumbs

Current:
e90 330d M-sport Auto
Opel Corsa Utility 1.4
Suzuki Tl1000

[Image: img_1954_7594118472.jpg]

Ex:
E46 320d Auto
E46 320d Manual
Kawasaki ZXR400
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12-01-2019, 12:13 PM
Post: #27
RE: Benefits of a Downpipe
what bmw are you driving ?

on my 330d my fuel consumption dropped , throttle response improved and theres definitely a few more horses now
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