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TDI Power Enhancements Discussions about increasing the power of your TDI engine. i.e. chips, injectors, powerboxes, clutches, etc. Handling, suspensions, wheels, type discussion should be put into the "Upgrades (non TDI Engine related)" forum. Non TDI vehicle related postings will be moved or removed. Please note the Performance Disclaimer.

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Old March 5th, 2018, 12:03   #1
Veteran Member
Join Date: Jul 2004
Location: Syracuse, NY
Fuel Economy: 49/46/42
Default exhaust heat shields

I have to keep rescrewing the shields to the body as the original anchors rust off. Other than over the cat, are the other shields really needed? I am sick of the rattles from these shields.
'02 Golf TDI, RC5, PP764's, FMIC, 2.5" T-Back, OMI, SB-3 clutch, 11mm pump, VNT17/22, 3 Bar MAP, CAT filter, 90 GPH Holley lift pump, modded D24 intake manifold, Rosten rods, Nural pistons, ported head - 15.0 @ 94 at the drags
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Old March 5th, 2018, 19:55   #2
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Join Date: Oct 2012
Location: waupaca, WI
Fuel Economy: 40-42 with a lead foot.

Probably doesn’t belong in the “power enhancement” section but...

Yes you can remove the rattling aluminum heat shields. If you are concerned about certain areas such as above the cat, you can use that foil backed insulation like on your firewall

that stuff won’t rattle and is dirt cheap or even free from junkyards.
2003 Jetta TDI - 11mm IP, R520s and FMIC from the Red Death, HE221W (shooting for 26PSI), 1.8T pancake, DIY 3" OMI, still working on the DIY tune... its a learning process.
1996 Passat TDI - "Red Death" RETIRED. Had: Malone stg 1, 11mm IP, R520s, GT15/17 hybrid, FMIC, ETC
1997 Passat TDI wagon - Running donor or beater for sale, rough body
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Old March 5th, 2018, 20:46   #3
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Location: Menomonee Falls, Wisconsin, USA
Fuel Economy: 75.0/53.0/38.4

Remove them and don't worry about it. Mine finally fell off a couple years ago and no issues. I run sustained 1400+ EGT's with a trailer and an 8" outside diameter muffler where the cat used to be so it's close to the floor - no problems.
03 Jetta, Cat 2u, DG Steel SP w/MOGolf Mod, 3"DP, 4"EXH, EaBP100 Bypass, Euroswitch, ECodes, Driving Light, PD Lift Pump, R520's, RC5,RC6, TDTuning, Malone, ScanGaugeII, 3" TIP, 2" TOP, HE221W Compounded with GTC1444VZ, 6 Bar MAP, VR6 MAF, Vented Fender Liner, Battery Cover Mod, 11mm, Monster Mats, 215/55/17 (27.9/53.0/75) Monthly MPG Links, Euro Trunk Latch, IDParts RSB, SDI or ALH Intake, ARL Ceramic Pistons, Rosten Rods, DRW, Wavetrac, SBC, FSD's, Beef Springs, Rebuilt Head, Recaro's, Colt II, DG Sigma 6, RMT200
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Old March 6th, 2018, 17:53   #4
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Join Date: Mar 2011
Location: Northern MD
Fuel Economy: Race: 12mpg, Gandma:65mpg

remove that POS
Clean floor pan VERY CLEAN,
install this, it does an epic job and never comes off if put on a clean surface, and i mean CLEAN

I have my red hot GT2052 right next to my firwall and this keeps it from roasting stuff

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