V6 SC QP TRACK SYSTEM

My new QP (Quiet Performance) system to help Exige 380/410/430 and Evora 4**/3-eleven owners enjoy their cars on the noise-averse UK tracks. With TWO internal Helmholtz resonance chambers, this system still weighs less than the heavyweight factory exhaust AND it's the only straight-thru design to reach the low 90's dbs readings - in static and drive-by.

Lotus have gone to a lot of trouble to reduce the back-pressure in their new 3" (76mm) factory exhaust to protect those vulnerable pre-cats in their log-manifolds. A baffled design of silencer would introduce dangerous back-pressure - might keep the decibels down but those pre-cats don't need it!

Catch up here for the latest info -

http://www.exhaustcompare.com/index.php/news/item/416-quiet-trackday-exhausts

I have fitted a small resonance silencer where the old "3rd catalyser" used to sit - PLUS for tighter noise-limits you have the choice of tailpipe diverters or add-on silencers - much loved by trackday enthusiasts.

Unlike other designs available trackside, the 2bular add-ons are the SAME bore as the tailpipes running off the unique 2bular merge collector under the main silencer - no dangerous back-pressure introduced into the exhaust. THOSE DOWNWARD POINTING TIPS ARE VERY IMPORTANT FOR NOISE-CONTROL! You can also rotate them away from the trackside microphone giving the most problems. I have tested this whole system at Brands Hatch (THE worst UK circuit for noise issues) and it gave 91dbs on static and ran all day with no problems reported. The tailpipe diverters or add-ons are not road-legal - just for trackday use. Re-fit those big 100mm Carbon tips and at least you can have the car sounding better on the road - and no power losses!

The big QP system + the little resonance silencer will get you on to some tracks (approx 98dbs).

Adding the tailpipe diverters pointing the sound down/across the tarmac is good for another 2-3dbs reduction.

The 350mm long tailpipe add-ons bring decibels right down to 90-92dbs for the really tough circuits.

SELECT OPTIONS BELOW.

Good write-up from an Exige 410 owner here - https://www.pistonheads.com/gassing/topic.asp?h=0&f=15&t=1818288&i=60

Thruxton is notoriously 'difficult' on NOISE.

PLEASE CONTACT ME FOR DELIVERY DATE BEFORE ORDERING.

EXPORT PRICES (No VAT charge):

H2 silencer + resonance silencer (with Carbon tips) - 1478 .00GBP

With Tailpipe diverters - - 1546 .00GBP

With Add-On silencers - - 1796 .00GBP

THE ADD-ON SILENCERS ARE SHIPPED SEPARATELY.

NOISE CONTROL

£1,773.60 (inc. VAT)
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