Upgrading the exhaust system
on a rotary engine car has always proven to be the
easiest way to increase performance in the past and
the same holds true for the 3rd generation RX-7. When
upgrading the system, you want to improve flow as
much as possible for maximum power.
If you drive the car on the street, then you must have
a catalytic convertor to remain emissions legal. Otherwise,
off-road cars used exclusively on the race track will
get the biggest power gains from a racing system. Our
Bönez exhaust lineup features mandrel-bent, thick-walled
304 Stainless Steel with 1/2" flanges for maximum
durability and longevity. Additionally, each and every
exhaust component is test fitted on our jig to ensure
perfect fitment.
•Downpipe
•Midpipes•Catbacks
Downpipes
are one of the most popular and important changes
you can make for your FD. Everyone knows how hot
our cars can get under the hood. A large part of
this is from the radiating heat of the factory pre-catalytic
converter. This heat rapidly damages underhood parts,
lowers performance and shortens engine life. Removing
this and installing a downpipe will improve turbo
spool, lower heat, increase performance and help
mileage. The Bonez downpipe utilizes a 3" mandrel
bent design and is fully Stainless Steel. The pipe
is a completely bolt up design and connects from
the stock turbos back to the stock or a performance
main cat. Note: Since this eliminates
the pre-converter, it is sold for racing use ONLY!
Bönez
3" Stainless Steel Downpipe - for high flow main cat or midpipe
Price: $299.00
Bönez
3" Stainless Steel Downpipe - for original MAZDA main cat
Price: $344.00
Downpipe to Main
Cat Gasket
Price: $8.95
Turbo
to Downpipe Gasket
Price: $177.22
RP
Aftermarket O2 Sensor
Price: $40.00
The
exhaust heat produced by a rotary engine is much
higher than that of a conventional piston engine.
This created quite a problem for us in our quest
for an aftermarket catalytic converter that could
perform up to our demanding expectations. After trying
nearly every aftermarket cat available, we found
that they all use a standard type suspension material
around the ceramic converter brick. This material
is not designed to endure the tremendous heat of
the rotary exhaust which causes it to fail prematurely.
Once the suspension material has overheated and broken
down, the ceramic converter brick is left loose to
rattle inside the case. The loose ceramic brick eventually
causes its own self destruction, increased backpressure,
and excessive noise.
After
extensive research and development, we are proud
to present the Bönez catalytic converter. Unlike
other aftermarket catalytic converters, the Bönez
unit uses a stainless steel mesh suspension element
that surrounds the large, high flowing converter
brick. This suspension element is built to withstand
extreme termperature demands, and provide many miles
of dependable performance. The case is also constructed
of stainless steel for better durability, and incorporates
a unique design which causes the inlet exhaust gases
to spread evenly over the brick for better flow,
improved efficiency, longer life, and reduced noise. This
item fits between your stock precat or performance
downpipe and will bolt directly to the stock catback
system or any other aftermarket catback system. The
Bönez kit also is much lighter than
the stock unit it replaces and noise levels are
only slightly increased. Please also note that the
oxygen supply tube from the air pump is still retained,
making this system 100% bolt on.
Bönez
3" Stainless
Steel Main Converter
Price: $598.75
Main
Cat Bolt and Gasket Kit
Price: $25.00
The
Bönez Performance Converter System is an excellent
option for those seeking a street legal system that
provides improved performance, better gas mileage,
and less stress on the engine and turbos. Our kit replaces
both of the stock catalytic converters with a smooth,
mandrel bent racing downpipe and a center section which
utilizes one of our unique, 3" high flow converters.
This combination gives you the most power possible
while still remaining emissions legal, as well as lasting
much longer than any other converter available on the
market. This kit is completely bolt up and replaces
everything from the turbos back to the stock or aftermarket
cat-back exhaust. The oxygen supply tube is also retained.
Bönez
3" Stainless
Steel Performance Converter System
Price: $869.90
Main
Cat Bolt and Gasket Kit
Price: $25.00
Turbo
to Downpipe Gasket (can be re-used in many cases)
Price: $177.22
RP
Aftermarket O2 Sensor
Price: $40.00
The
Bönez Racing Main Cat Pipe (midpipe) replaces the restrictive
catalytic converter for significant power gains and
increased engine and turbo life. Constructed with 3" heavy
duty stainless steel that is mandrel bent for
maximum flow, this pipe bolts up in a few minutes.
It connects from the stock precat to the stock cat-back
exhaust and is also compatible with aftermarket downpipes
and cat-back exhausts. Note: Racing
use ONLY! Not for street use.
Bönez
3" Stainless
Steel Main Cat Pipe (Midpipe)
Price: $258.75
Main
Cat Bolt and Gasket Kit
Price: $25.00
Tired
of harsh noise from your 1993-95 RX-7 after removing
the cataytic converter? Here’s the solution: Install
a resonated midpipe. This stainless steel Bonez midpipe
has a silencer designed specifically to remove the
raspiness from the exhaust note. Our experience has
found that the overall noise is reduced almost in
half.
Bönez
3" Stainless
Steel Resonated Main Cat Pipe (Resonated Midpipe)
Price: $314.40
Main
Cat Bolt and Gasket Kit
Price: $25.00
Just
what’s needed for your custom RX. These catalytic
converters are the same quality units used in their
direct bolt in systems. Recognized as the best
flowing and most durable of all the catalysts, you
simply can’t go wrong with Bönez. Available in a
variety of pipe sizes.
3" converter shown.
3" Bönez
Performance Converter (Blank)
Price: $299.00
Dual
Stainless Exhaust Tips on this system offer a mild,
near stock, look while delivering high flow. If you’re
building a “sleeper” or just want to avoid
attention from the wrong people, this system is for you!
Flow without the aggressive look of the single tip systems.
Mellow exhaust tone and conservative styling makes this
a great choice.
Racing
Beat Dual Tip Exhaust
Price: $769.00
Prices
subject to change without notice
