All Things Mk5 > Performance Modifications

How much louder does the pre-cat delete make a standard car?

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Norfolk Ollie:
Hi SPWD- I ummed and arred about this too but had it done in the end and all I can see are gains not negatives. Unknowingly I had a cheap after market DP on mine when it went to R-tech for a stage 1 and it hindered the power  before and after the re-map. Since then I had the cam chain tensioner done, pick up pipe service, sump off and cleaned, millers nanodrive oil and while they were at it, got AKS to fit an oem DP with the pre cat deleted. All of these things have really sorted the old girl out and I can feel a real difference now. The car used to lurch a bit on pull away but that is now remedied and when you give it the beans the car is more responsive. It isn't really any louder as such but you get a nice burble if you blip the throttle. I'd get it done mate! Cheers, Ollie.

spwd:
Cheers Ollie :happy2:

bonelorry:
I noticed no noticeable increase in noise from the Exhaust after removing the Pre-Cat on my Edition 30, It did make 315BHP and 330LB/FT of Torque at R-Tech after the Stage 1 Re-Map though so was a very worthwhile upgrade.

I do recall noticing a Minor increase in Throttle response and less Turbo lag too but I only drove the car for a few days before getting it mapped.

spwd:
Thanks for the info bonelorry  :happy2:

shoaybmakda:
No extra noise here too - a few extra pops from DSG shifts but not anything someone would think was from a 1.4 Vauxhall nova with a 6" back box system lol

As others have said more positives and no negatives to report. Get it done  :happy2:

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