K-Tuned 3" Downpipe - 12-14 Civic Si

K-Tuned 3" Downpipe - 12-14 Civic Si

The 9th Gen Honda Civic SI seems to be following right along in the footsteps of the 8th Gen design. Both cars are pretty similar in style on the outside, but under the hood, the 2012+ chassis now comes with a bigger "K24Z" engine and a brand new cylinder head design. Looking a bit more closely at the exhaust side, you'll notice that the exhaust ports all merge together into a single outlet flange that is cast directly into the head itself. Bolted up to this flange you'll find the stock catalytic converter positioned right before the exhaust piping. It is pretty much common knowledge that stock catalytic converters can be very restrictive and when they are deleted or replaced with high flow units, the result is noticeable increases in performance.

The K-Tuned 9th Gen Civic downpipe completely replaces the factory cat section with a free flowing 3" downpipe. K-Tuned started things off with a cast stainless steel housing, designed to offer a smooth transition from the head flange to the exiting 2-bolt exhaust flange. The T304 stainless 3" diameter pipe section is beautifully tig welded and bolts up to the housing, before heading downward perfectly past the factory subframe and swaybar. Welded into the lower part of the downpipe is a high quality Vibrant Turbo Flex section with interlocking inner liner to absorb the normal engine movement. On the cast housing, K-Tuned positioned two oxygen sensor bungs (one for the primary 02 & secondary accessory O2 sensor) which also includes a plug for in case it is unused.

Includes all required hardware needed for installation, including 1 x 02 plug, 2 x serrated M8 nuts, 1 x M8 bolt and 1 x M8 washer for the housing to head connection. Note that some of the original hardware will still be used to hold the housing in place.

Be sure to check out the K-Tuned 9th Gen 3" exhaust system to compliment this downpipe - it will mate up perfectly and the gains will increase even more with our K-Tuned's complete system.

Vehicle Applications: All 2012-15 Honda Civic Si models - fits both 2 and 4 door vehicles.

Note: It is highly recommended to upgrade your rear engine mount to a Hasport rear mount to limit movement.

This is a Race Only product that is to be used solely for competition. It cannot be used on vehicles that are operated on public streets, roads or highways. Its use is limited to closed-course and open-course racing that is formally sanctioned by a recognized racing organization. Any other use, including recreational off-road use, could be in violation of local, state and federal laws.

K-Tuned 3" Downpipe - 12-14 Civic Si

Regular price Sale $395.99
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