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Cat Back Exhaust (Resonated)

Part number: FD45

Focus ST 250 Performance Exhaust

£824.70

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Duologi Finance - Cobra Sport Exhausts

Cobra Sport exhausts systems come with a lifetime warranty for the original purchaser, giving you ultimate peace of mind.

All Cobra Sport exhausts are manufactured in the UK from certified grade 304 stainless steel and TIG welded for a superior quality finish.

EML lights may activate after removing the standard O/E catalyst. An ECU Re-map is recommended to correct this problem and stabilise all power increases.

The product images shown are for illustration purposes only and due to product enhancement may not be an exact representation of the product.

For any questions, queries or simply for our advice on these products call us on + 44 (0)114 244 7123.

Product Description

Details

Cobra Sport performance exhausts enhance the sound, looks and quality of your vehicle giving you the ultimate driving experience. Our sports exhausts range is fully guaranteed to give you assurance of our quality.

These Focus ST performance exhausts are made in 3"/76.2mm pipework and fit from the catalytic converter section backwards (Cat-back) these exhausts replace the centre and rear sections.

This resonated exhaust includes the centre silencer and has a subtle but sporty tone. This exhaust however, is also available as a non-resonated version (excluding the centre silencer) which is a louder option.

All relevant fittings and gaskets are supplied.

Please Note:- Some of the fitted exhaust images may show alternative parts.

Cobra Sport Product Review

The Ford Focus ST Mk3 was always on the agenda to lend itself to another of Cobra Sports exhaust upgrades, due to the massive success of the marques predecessor.

The Cobra Sport development team recommended a 3” bore system in order to gain the best results with regards to both power and sound. The final development is available in both a turbo back exhaust package and a cat-back only option. Independent testing on the cat-back system gave a healthy power increase to 261.5bhp with an 8.27% increase in torque (from 254 ft per lb to 275 ft per lb).

There is also an exceptional weight advantage, with the Cobra Sport system being 22.5% lighter than the original equipment turbo back system. The new Focus ST system has two tailpipe design options with a twin 4” inward rolled slash-cut tailpipe and a 4.5" x 3" slash cut oval. Both tailpipes are available in a highly polished 304 Stainless finished and the 4" inverted slash cut tailpipe is also available in the popular Blackout ceramic coated tailpipe option.

Related Media Files

Example of Focus ST sports exhaust (cat back non-resonated).

Example of Focus ST sports exhaust (cat back - resonated).

Example of Focus ST sports exhaust (cat back non-resonated).

Example of Focus ST sports exhaust (cat back - non resonated).

Rolling road power testing of the Ford Focus ST250 sports exhaust (turbo back - non resonated with de-cat).

Cobra Sport Exhausts Ford promotional video.

Reviews

Satisfied Visual and Sound RenderingReview by Bruno Grodin
Quality
Price
Value
Installation of a cobra sport line on ford st 250 very satisfied with visual and sound rendering  (Posted on 23/07/2018)
ST250 Non-reso carbackReview by DAMS (France)
Price
Value
Quality
I already had a Cobra Sport non-resonated catback on my ST225 and it was a blast : growling sound, but yet not too loud inside the car, pops and bangs at gear changes but also when slowing down… so when I changed for a newer ST250, it didn’t take too long to chose an aftermarket exhaust as the car was a little too quiet for me I went for the non-resonated version again as I assumed it was ok for the ST225, and the ST250 is already less noisy than a stock ST225.
The exhaust shows great quality as always, with beautifully engraved Cobra Sport logos on TP38 exhaust tips, these are awesome! The fitting clamps seem to have improved as I experienced some heavy rust issues with those included with my previous exhaust. Apart from that, the fitting has been made by my usual garage, and showed no problem at all, everything goes right in place. Maybe a single trapezoidal exhaust tip could be an interesting option (Megane 3 RS style), but the dual TP38 look great!
Now let’s talk about sound : the ST250 gets what it deserves, good lows at start, and a beautiful sporty tone with higher rpm, maybe a little louder than the ST225. I think it will improve as time goes by. It’s obviously different from the 5-cylinder, but it improves the sound in the same proportions. The tone and noises that you wished to be louder are now present for good, and it’s still comfortable for the passengers, even if it's quite loud around 3000 rpm, time will tell.
Great product, will recommend to my friends any time (again).
(Posted on 15/02/2017)

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