Not sure how long this will last, but:

30% off Flowmaster Exhaust sold by Amazon
You can get 30% off Flowmaster performance parts sold by and shipped from Amazon.com when you enter code FLOWMAST at checkout.

Must be sold by Amazon and not a 3rd party seller.

http://www.amazon.com/s/ref=nb_sb_noss?tag=sdfp-20&url=search-alias%3Dautomotive&field-keywords=FLOWMASTER&x=0&y=0

http://www.amazon.com/Flowmaster-17129-H...0932&sr=1-1 Only $237 shipped

Wow, just found out more codes for other items including KYB @ 30% off:

20% Off aFe*
Use promo code AFEVIP2O at checkout
30% Off Air Lift*
Use promo code AIRLIFTS at checkout
30% Off Borla*
Use promo code BORLASPC at checkout
30% Off Eibach*
Use promo code EIBACHI3 at checkout
30% Off Exedy*

A clutch kit for $70? http://www.amazon.com/EXEDY-04021-OEM-Re...e&carId=005

Use promo code EXEDYSPL at checkout
30% Off Flowmaster*
Use promo code FLOWMAST at checkout
30% Off Injen*
Use promo code INJENTEC at checkout
30% Off KYB*
Use promo code VIPSKYBS at checkout
30% Off Magnaflow*
Use promo code MAGFLO3O at checkout
30% Off Sparco*
Use promo code SPARCVIP at checkout