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Classic Mini Freeflow Exhaust Manifold Header - Mild Steel

Classic Mini Freeflow Exhaust Manifold Header - Mild Steel

Classic Mini Freeflow Exhaust Manifold Header - Mild Steel
Qty:
Internet Price $180.95
Part No: C-STR816
Internet Price $180.95
Alternate Products
Austin Mini Maniflow Lcb Header Exhaust Manifold 1.75 Id Collector
$178.95 Austin Mini Maniflow Lcb Header Exhaust Manifold 1.75 Id Collector
Austin Mini Manifold Lcb Exhaust Stage 2 With Special Center Branch
$252.95 Austin Mini Manifold Lcb Exhaust Stage 2 With Special Center Branch

Maniflow's tubular interpretation of the original Mini Cooper and S exhaust manifold manufactured out of the same tubing as the standard bore LCB. This free flow manifold works very well at lower speed pick up. (The LCB is noisier but better at the top end of the rev range on very mild tune cars.)
Works well on mildly tuned 998s and 1275s.
1.75 O.D. outlet.

One of the easiest bolt-on modifications you can make to your Classic Mini Cooper is a performance exhaust manifold (also often called a 'header') A good exhaust manifold make it a lot easier for your engine to push exhaust gases out of the cylinders. All internal combustion engines produce all their power during the power stroke. During this stroke, the gasoline in the cylinder burns and expands to generate power. As the exhaust gases are pushed out of the cylinder, they end up in the exhaust manifold. The ease at which these gases vacate the cylinder head is a big contributor to performance. The exhaust header helps eliminate the manifold’s backpressure. The length and diameter of the exhaust manifold pipes are all part of the science of performance.

 
 
Question:
Hi, Will you confirm the OD of the outlet pipe on C-STR816? Your blurb says 1.75" but my example from about 20 years ago has an OD of 1.625 (1 5/8). Thanks,
Answer:

Don't have one in stock to measure, but they are meant to be 1.75" OD

They are offered in 1.5" OD, 1.75" OD, and 1.75" ID and 2" OD

 
FOLLOW UP QUESTION:  Thanks for the info! I'm now thinking my example is probably 1.75" OD and 1 5/8" ID which would match with your numbers. Would the 1.75" OD unit be the one you include in the 998 Stage 1 kits?

ANSWER TO FOLLOW UP:  Yes, this is the same part as included in the C-STN17 stage 1 kit.
 
 
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Related Technical Articles:
Classic Mini Cooper Exhaust Manifolds & Mufflers page 23
Created: December 31, 2018
We have a tremendous selection of Exhaust Manifolds for all Classic Minis from 1959 thru 2000, Modern high performance manifolds ideal for street or race. Large or stock bore manifolds and Mufflers! Technical insights available by phone, E-mail or live chat.
How to pick the correct exhaust manifold for Classic Mini Coopers
Created: September 28, 2000
The third stroke, that following the compression stroke, of our four stroke Mini engine is the only one producing power. The other three consume it. Here we’re looking at with exhaust manifolds, so what we need to consider is how to minimise power consumed on the exhaust stroke as the piston pushes the spent gases out.
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